Examples with solutions for Converting Decimal Fractions to Simple Fractions and Mixed Numbers: From a decimal to a denominator of 10

Exercise #1

Write the following as a fraction:

1.3= 1.3=

Video Solution

Step-by-Step Solution

To solve this problem, we will convert the decimal 1.31.3 into a fraction.

Step 1: Identify the whole number and decimal component. The number 1.31.3 consists of the whole number 11 and the decimal 0.30.3.

Step 2: Convert the decimal 0.30.3 to a fraction. The decimal 0.30.3 means three-tenths, which is expressed as the fraction 310\frac{3}{10}.

Step 3: Combine the whole number and the fractional part into a mixed number. The number 0.30.3 is converted to 310\frac{3}{10}, and adding the whole number 11 gives us the mixed number 13101 \frac{3}{10}.

Therefore, when the decimal 1.31.3 is expressed as a fraction, it is written as 13101 \frac{3}{10}.

Answer

1310 1\frac{3}{10}

Exercise #2

2.4= 2.4=

Video Solution

Step-by-Step Solution

To solve this problem, we'll convert the decimal 2.42.4 into a mixed number:

  • Step 1: Identify the integer part and the decimal part of 2.42.4.
  • The integer part is 22, and the decimal part is 0.40.4.
  • Step 2: Convert the decimal 0.40.4 to a fraction.
  • Decimal 0.40.4 is equivalent to 410\frac{4}{10} because the digit 44 is in the tenth position.
  • Step 3: Combine the integer part with the fraction.
  • The mixed number is 24102\frac{4}{10}.

Therefore, when 2.42.4 is expressed as a mixed number, it is 24102\frac{4}{10}.

Answer

2410 2\frac{4}{10}

Exercise #3

2.4= 2.4=

Video Solution

Step-by-Step Solution

To convert the decimal 2.42.4 to a mixed number, we need to follow these steps:

  • Step 1: Identify the whole number part and the decimal part. Here, the whole number is 22 and the decimal part is 0.40.4.
  • Step 2: Convert the decimal part 0.40.4 to a fraction. To do this, recognize that 0.40.4 can be written as 410\frac{4}{10} since there is one digit after the decimal point, which implies the denominator is 1010.
  • Step 3: Simplify the fraction 410\frac{4}{10}. Divide the numerator and the denominator by their greatest common divisor, which is 22. Thus, 410=25\frac{4}{10} = \frac{2}{5}.
  • Step 4: Combine the whole number and the simplified fraction to form the mixed number. The whole number 22 and the fraction 25\frac{2}{5} together give 2252\frac{2}{5}.

Therefore, the decimal 2.42.4 is equivalent to the mixed number 2252\frac{2}{5}.

Answer

225 2\frac{2}{5}

Exercise #4

2610= \frac{26}{10}=

Video Solution

Step-by-Step Solution

To solve this problem, we follow these steps:

  • Step 1: Identify the given fraction 2610 \frac{26}{10} .
  • Step 2: Perform the division of the numerator by the denominator.

Now, let's work through each step:
Step 1: We have the fraction 2610 \frac{26}{10} .
Step 2: Divide 26 by 10, which is the same as performing the calculation 26÷10 26 \div 10 . The result of this operation is 2.6.

Therefore, the solution to the problem is 2.6 2.6 .

Answer

2.6 2.6

Exercise #5

1.3= 1.3=

Video Solution

Step-by-Step Solution

To solve this problem, we'll follow these steps:

  • Step 1: Recognize that the decimal number 1.31.3 can be split into its whole number and decimal parts: 11 and 0.30.3.
  • Step 2: Convert the decimal part 0.30.3 to a fraction. Since 0.30.3 is equivalent to 310\frac{3}{10}, we have converted the decimal to a fraction with a denominator of 10.
  • Step 3: Combine the whole number part and the fractional part to form a mixed number. Thus, 1.31.3 is equivalent to 13101\frac{3}{10}.

Therefore, the solution to the problem is 1310 1\frac{3}{10} .

Answer

1310 1\frac{3}{10}

Exercise #6

8.1= 8.1=

Video Solution

Step-by-Step Solution

To solve this problem, we need to convert the decimal number 8.18.1 into a mixed number.

  • Step 1: Recognize that the number 8.18.1 can be broken into an integer part and a fractional part. The integer part is 88 and the decimal part is 0.10.1.
  • Step 2: Convert the decimal part 0.10.1 into a fraction. Since 0.10.1 is equivalent to 110\frac{1}{10}, we write 0.1=1100.1 = \frac{1}{10}.
  • Step 3: Combine the integer part and the fractional part to form a mixed number. Thus, 8.18.1 can be rewritten as 8+1108 + \frac{1}{10} which simplifies to the mixed number 81108 \frac{1}{10}.

Therefore, the solution to the problem is 8110 8 \frac{1}{10} .

Answer

8110 8\frac{1}{10}

Exercise #7

2.3= 2.3=

Video Solution

Step-by-Step Solution

To convert 2.3 2.3 to a mixed number, follow these steps:

  • Step 1: Identify the whole number part of the decimal. Here, the whole number is 2 2 .
  • Step 2: Convert the decimal part 0.3 0.3 into a fraction. The decimal 0.3 0.3 can be viewed as 310 \frac{3}{10} because 0.3 0.3 represents 3 tenths.
  • Step 3: Combine the whole number and the fractional part to write the mixed number as 2310 2\frac{3}{10} .

This correctly converts the decimal 2.3 2.3 into the mixed number 2310 2\frac{3}{10} .

Therefore, the correct answer is 2310 2\frac{3}{10} .

Answer

2310 2\frac{3}{10}

Exercise #8

15.2= 15.2=

Video Solution

Step-by-Step Solution

To solve this problem, we'll convert the decimal number 15.2 into a mixed number:

  • Step 1: Identify the whole number: The number 15.2 has a whole part of 15.
  • Step 2: Convert the decimal part to a fraction:
    The decimal 0.2 can be expressed as 210\frac{2}{10}.
  • Step 3: Simplify the fraction:
    The fraction 210\frac{2}{10} simplifies to 15\frac{1}{5} (dividing both numerator and denominator by 2).
  • Step 4: Form the mixed number:
    Combine the whole number 15 with the simplified fraction 15\frac{1}{5} to obtain the mixed number 151515\frac{1}{5}.

Based on the provided choices, the correct answer is choice 2: 151515\frac{1}{5}.

Answer

1515 15\frac{1}{5}

Exercise #9

1.2= \text{1}.2=

Video Solution

Step-by-Step Solution

To solve this problem, we'll follow these steps:

  • Step 1: Identify the whole number part and the decimal part of 1.2 1.2 .
  • Step 2: Convert the decimal part 0.2 0.2 into a fraction.
  • Step 3: Combine the whole number and the fraction into a mixed number.

Now, let's work through each step:
Step 1: The whole number part is 1 1 , and the decimal part is 0.2 0.2 .
Step 2: Since 0.2=210 0.2 = \frac{2}{10} , we convert the decimal into the fraction 210 \frac{2}{10} .
Step 3: Combining these, we have the mixed number 1210 1\frac{2}{10} .

Therefore, the solution to converting 1.2 1.2 is 1210 1\frac{2}{10} , which corresponds to option 3.

Answer

1210 1\frac{2}{10}

Exercise #10

2.4= 2.4=

Video Solution

Step-by-Step Solution

To convert the decimal 2.42.4 into a mixed number, we'll follow these steps:

  • Step 1: Convert the decimal part 0.40.4 into a fraction.
  • Step 2: Simplify the fraction.
  • Step 3: Combine with the whole number.

Let's work through each step:
Step 1: Recognize that 0.40.4 means 410\frac{4}{10} because there is one digit after the decimal point, placing it into tenths.
Step 2: Simplify 410\frac{4}{10} by dividing both the numerator and denominator by their GCD, which is 2. This gives us 25\frac{2}{5}.
Step 3: Combine the whole number 22 with the fraction 25\frac{2}{5} to form the mixed number 2252\frac{2}{5}.

Therefore, the conversion of 2.42.4 to a mixed number is 225 2\frac{2}{5} .

Answer

225 2\frac{2}{5}

Exercise #11

2.9= \text{2}.9=

Video Solution

Step-by-Step Solution

To convert the decimal 2.92.9 to a mixed number, follow these steps:

  • Step 1: Identify the whole number part. Here, the whole number is 22.
  • Step 2: Convert the decimal part to a fraction. The decimal part of 2.92.9 is 0.9, which can be written as 910\frac{9}{10} since the digit 9 is in the tenths place.
  • Step 3: Combine the whole number and the fraction to form the mixed number.

Therefore, the decimal 2.92.9 can be expressed as the mixed number 2910\mathbf{2\frac{9}{10}}.

The correct choice from the given options is: 2910 2\frac{9}{10} .

Answer

2910 2\frac{9}{10}

Exercise #12

1.9= 1.9=

Video Solution

Step-by-Step Solution

We are tasked with converting the decimal number 1.9 1.9 into a mixed number.

  • Step 1: Identify the whole number part of 1.9 1.9 . The digit to the left of the decimal point is 1 1 .
  • Step 2: Identify the fractional part of 1.9 1.9 . The digit to the right of the decimal point is 9 9 . This represents 910\frac{9}{10}.
  • Step 3: Combine the whole number and the fractional part to form a mixed number. Therefore, 1.9=1910 1.9 = 1\frac{9}{10} .

Hence, the mixed number equivalent of the decimal 1.9 1.9 is 1910 1\frac{9}{10} .

Answer

1910 1\frac{9}{10}

Exercise #13

6.2= 6.2=

Video Solution

Step-by-Step Solution

To solve this problem, we'll convert the decimal 6.2 6.2 into a mixed number. Here's how:

  • Step 1: Identify the whole number in the decimal. In 6.2 6.2 , the whole number is 6 6 .
  • Step 2: Extract the decimal fraction. The fraction part is 0.2 0.2 .
  • Step 3: Convert 0.2 0.2 into a fraction. Since 0.2 0.2 is 2 tenths, it is expressed as 210 \frac{2}{10} .
  • Step 4: Simplify 210 \frac{2}{10} . This fraction can be simplified to 15 \frac{1}{5} , but as we're asked for a denominator of 10, we will keep it as 210 \frac{2}{10} .
  • Step 5: Combine the whole number and the fractional part. The mixed number is 6210 6 \frac{2}{10} .

Therefore, the correct mixed number form of the decimal 6.2 is 6210 6 \frac{2}{10} .

Answer

6210 6\frac{2}{10}

Exercise #14

1.2= 1.2=

Video Solution

Step-by-Step Solution

To solve this problem, we'll follow these steps:

  • Step 1: Identify the parts of the decimal number 1.2 1.2 .
  • Step 2: Convert the decimal part to a fraction.
  • Step 3: Form a mixed number using the integer and the fractional parts.

Now, let's work through each step:
Step 1: The decimal number 1.2 1.2 consists of an integer part 1 1 and a decimal part 0.2 0.2 .
Step 2: The decimal 0.2 0.2 translates to the fraction 210\frac{2}{10}, since the digit 2 is in the tenths place.
Step 3: Combine the integer part 1 1 with the fractional part 210\frac{2}{10} to form the mixed number 1210 1\frac{2}{10}.

Therefore, the solution to the problem is 1210 1\frac{2}{10} .

Answer

1210 1\frac{2}{10}

Exercise #15

7.3= 7.3=

Video Solution

Step-by-Step Solution

To solve this problem, we'll follow these steps:

  • Step 1: Identify the decimal and its components.
  • Step 2: Convert the decimal part to a fraction.
  • Step 3: Combine the whole number and fraction into a mixed number.

Now, let's work through each step:
Step 1: The given decimal is 7.37.3. This can be separated into the whole number 77 and the decimal fraction .3.3.
Step 2: To convert .3.3 into a fraction, we observe that it represents three tenths, which is 310\frac{3}{10}.
Step 3: Combine the whole number and the fractional part to form a mixed number. Thus, 7.37.3 becomes 73107\frac{3}{10} as a mixed number.

Therefore, the solution to the problem is 73107\frac{3}{10}.

Answer

7310 7\frac{3}{10}

Exercise #16

3.1= 3.1=

Video Solution

Step-by-Step Solution

To solve this problem, we need to convert the decimal 3.13.1 into a mixed number:

  • Step 1: Recognize the decimal number 3.13.1 consists of a whole number part 33 and a decimal part 0.10.1.
  • Step 2: Convert the decimal part 0.10.1 to a fraction. The decimal 0.10.1 is equivalent to 110\frac{1}{10}.
  • Step 3: Combine the whole number part with the fractional part to form the mixed number, which gives us 31103\frac{1}{10}.

Therefore, the decimal 3.13.1 is equivalent to the mixed number 31103\frac{1}{10}.

The correct choice is option 1: 31103\frac{1}{10}.

Answer

3110 3\frac{1}{10}

Exercise #17

1.3= 1.3=

Video Solution

Step-by-Step Solution

To solve this problem, we'll follow these steps:

  • Step 1: Identify the integer and decimal parts of 1.3 1.3 .
  • Step 2: Convert the decimal 0.3 0.3 to a fraction.
  • Step 3: Combine the integer and fractional parts into a mixed number.

Let’s work through each step:
Step 1: The integer part of 1.3 1.3 is 1 1 , and the decimal part is 0.3 0.3 .
Step 2: The decimal 0.3 0.3 can be converted to the fraction 310 \frac{3}{10} because it signifies three-tenths.
Step 3: Combining the integer part with the fractional part, we get the mixed number 1310 1\frac{3}{10} .

Therefore, the solution to the problem is 1310 1\frac{3}{10} .

Answer

1310 1\frac{3}{10}

Exercise #18

6.2= 6.2=

Video Solution

Step-by-Step Solution

To convert the decimal 6.2 6.2 into a fraction, follow these steps:

  • Step 1: Separate 6.2 6.2 into its whole number and decimal parts. Here, 6 is the whole number, and 0.2 is the decimal part.
  • Step 2: Convert 0.2 0.2 into a fraction. Since 0.2=210 0.2 = \frac{2}{10} , simplify it to 15 \frac{1}{5} .
  • Step 3: Combine the whole number and the simplified fraction to create the mixed number 615 6 \frac{1}{5} .
  • Step 4: Convert the mixed number to an improper fraction. Multiply the whole number (6) by the denominator (5) and add the numerator (1):
  • 6×5+1=31 6 \times 5 + 1 = 31
  • Thus, 615 6 \frac{1}{5} as an improper fraction is 315 \frac{31}{5} .

Thus, the decimal 6.2 6.2 is equivalent to the fraction 315 \frac{31}{5} . Comparing this with the provided choices, the correct choice is option 2: 315 \frac{31}{5} .

Answer

315 \frac{31}{5}

Exercise #19

1.1= 1.1=

Video Solution

Step-by-Step Solution

To convert the decimal 1.11.1 into a fraction, we will follow these steps:

  • Step 1: Express 1.11.1 as a sum: 1+0.11 + 0.1.
  • Step 2: Convert each part to a fraction.
  • Step 3: Simplify and add the fractions.

Now, let's work through each step:

Step 1: Express 1.11.1 as:

1.1=1+0.11.1 = 1 + 0.1

Step 2: Convert each part to a fraction:
11 can be written as 1010\frac{10}{10}, and 0.1=1100.1 = \frac{1}{10}.

Step 3: Add the fractions:

1010+110=10+110=1110\frac{10}{10} + \frac{1}{10} = \frac{10 + 1}{10} = \frac{11}{10}

Therefore, the decimal 1.11.1 as a fraction is 1110\frac{11}{10}.

Answer

1110 \frac{11}{10}