Examples with solutions for Converting Fractions to Percentages and Vice Versa: Convert fractions with a denominator of 100 to percentages

Exercise #1

Convert the fraction 7100 \frac{7}{100} into a percentage.

Video Solution

Step-by-Step Solution

The fraction:

x100 \frac{x}{100} is actually x percent.

Therefore we use the formula:

x100=x% \frac{x}{100}=x\%

7100=7% \frac{7}{100}=7\%

Answer

7%

Exercise #2

Convert the fraction 157100 \frac{157}{100} For percentages we obtain:

Video Solution

Step-by-Step Solution

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

  • Step 1: Identify the given information: the fraction is 157100 \frac{157}{100} .
  • Step 2: Apply the conversion formula by multiplying the fraction by 100.
  • Step 3: Perform the calculation and check the correct multiple-choice answer.

Now, let's work through each step:
Step 1: The problem provides us with the fraction 157100 \frac{157}{100} .
Step 2: We'll use the formula Percentage=(NumeratorDenominator)×100 \text{Percentage} = \left( \frac{\text{Numerator}}{\text{Denominator}} \right) \times 100 . Plugging in our values, we get:

(157100)×100=157% \left( \frac{157}{100} \right) \times 100 = 157\%

Therefore, the percentage equivalent of the fraction 157100 \frac{157}{100} is 157% 157\% .

The correct answer from the given choices is: Choice 4: 157%

Answer

157%

Exercise #3

Convert the fraction 75100 \frac{75}{100} For percentages we obtain:

Video Solution

Step-by-Step Solution

To solve this problem, follow these steps:

  • Step 1: Identify that the fraction given is 75100 \frac{75}{100} .
  • Step 2: Recognize that a fraction with a denominator of 100 directly gives the percentage represented by its numerator.

Now, let's work through each step:
Step 1: We see that the fraction is 75100 \frac{75}{100} , where 100 is the denominator, which is the standard for percentages.
Step 2: Since percentages are essentially fractions out of 100, the numerator directly translates into the percentage.

Thus, the percentage represented by 75100 \frac{75}{100} is 75%.

Therefore, the solution to the problem is 75%.

Answer

75%

Exercise #4

Convert the fraction 135100 \frac{135}{100} For percentages we obtain:

Video Solution

Step-by-Step Solution

To solve this problem, we should first recognize the nature of the fraction 135100\frac{135}{100}. Since the denominator is 100, the fraction directly represents the percentage equivalent of the numerator.

Step-by-step:

  • Step 1: Understand that any fraction a100\frac{a}{100} can be interpreted as a%a\% in percentage form.
  • Step 2: In this instance, 135100\frac{135}{100} directly translates to 135% because the denominator is 100.

Therefore, the fraction 135100\frac{135}{100} is equivalent to 135%.

The correct choice from the options provided is choice 3: 135%.

Therefore, the solution to the problem is 135%.

Answer

135%

Exercise #5

Convert the fraction 200100 \frac{200}{100} For percentages we obtain:

Video Solution

Step-by-Step Solution

To solve this problem, let's convert the fraction 200100 \frac{200}{100} to a percentage.

We can perform this conversion using the following steps:

  • Step 1: Recall that to convert a fraction to a percentage, you multiply it by 100. Therefore, the formula to use is:

  • numeratordenominator×100% \frac{\text{numerator}}{\text{denominator}} \times 100\%

Let's apply this formula to our fraction:

200100×100% \frac{200}{100} \times 100\%

Step 2: Simplify the fraction. In this case, 200100\frac{200}{100} simplifies to 22.

Step 3: Multiply the simplified result by 100:

2×100%=200% 2 \times 100\% = 200\%

Therefore, the fraction 200100\frac{200}{100} is equivalent to 200%.

The correct answer is choice 2: 200% 200\% .

Answer

200%

Exercise #6

Convert the fraction 718.5100 \frac{718.5}{100} For percentages we obtain:

Video Solution

Step-by-Step Solution

To solve the problem of converting the fraction 718.5100\frac{718.5}{100} into a percentage, we proceed with the following steps:

  • Recognize that in a fraction a100\frac{a}{100}, the value can be directly interpreted as a%a\%. This is due to the fraction's denominator being 100, which is the base for percentage calculations.
  • Therefore, 718.5100\frac{718.5}{100} is directly equal to 718.5%.

Conclusively, converting the fraction yields 718.5%.

Answer

718.5%

Exercise #7

Convert the fraction 71.8100 \frac{71.8}{100} For percentages we obtain:

Video Solution

Step-by-Step Solution

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

  • Step 1: Identify the fraction given as 71.8100 \frac{71.8}{100} .
  • Step 2: Recognize that the denominator is 100, so the fraction 71.8100 \frac{71.8}{100} represents 71.8%.
  • Step 3: Conclude by expressing it directly as a percentage.

Now, let's work through each step:
Step 1: The fraction given is 71.8100 \frac{71.8}{100} .
Step 2: Since the denominator is 100, we can interpret the numerator directly as the percentage. Thus, 71.8 71.8 out of 100 corresponds to 71.8%.
Step 3: Therefore, the solution to the problem is that 71.8100 \frac{71.8}{100} as a percentage is 71.8%.

Therefore, the correct choice is choice 3: 71.8%.

Answer

71.8%

Exercise #8

Convert the fraction 13.3100 \frac{13.3}{100} into a percentage.

Video Solution

Step-by-Step Solution

We use the formula:

x100=x% \frac{x}{100}=x\%

Therefore:

13.3100=13.3% \frac{13.3}{100}=13.3\%

Answer

13.3%

Exercise #9

Convert the fraction 202.2100 \frac{202.2}{100} For percentages we obtain:

Video Solution

Step-by-Step Solution

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

  • Step 1: Identify the fraction to be converted.
  • Step 2: Recognize the denominator of the fraction is 100.
  • Step 3: Express the numerator as a percentage directly.

Now, let's work through each step:

Step 1: We are given the fraction 202.2100 \frac{202.2}{100} .

Step 2: Notice that the denominator of the fraction is 100. Fractions with a denominator of 100 are straightforward to convert to percentages. The numerator of the fraction indicates the percentage directly.

Step 3: The numerator is 202.2 202.2 . Therefore, the fraction 202.2100 \frac{202.2}{100} is equivalent to 202.2% 202.2\% .

Therefore, the solution to the problem is 202.2% 202.2\% .

Answer

202.2%

Exercise #10

Convert the fraction 65.6100 \frac{65.6}{100} For percentages we obtain:

Video Solution

Step-by-Step Solution

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

  • Step 1: Identify the given fraction is 65.6100\frac{65.6}{100}.
  • Step 2: Recognize that since the denominator is 100, the numerator directly represents the percentage value.
  • Step 3: Conclude that 65.6100\frac{65.6}{100} is equivalent to 65.6%.

Now, let's work through each step:
Step 1: The problem provides the fraction 65.6100\frac{65.6}{100}.
Step 2: Since fractions with a denominator of 100 translate directly to percentages, the numerator reveals the percentage form.
Step 3: Hence, 65.6100\frac{65.6}{100} equals 65.6%65.6\%.

Therefore, the solution to the problem is 65.6%.

Answer

65.6%

Exercise #11

Convert the fraction 16.5100 \frac{16.5}{100} For percentages we obtain:

Video Solution

Step-by-Step Solution

To solve this problem, we will convert the given fraction 16.5100 \frac{16.5}{100} into a percentage.

Step-by-step solution:

  • Step 1: Identify the problem: We have a fraction 16.5100 \frac{16.5}{100} which we need to express as a percentage.

  • Step 2: Recognize that a fraction with a denominator of 100 directly represents its percentage form. Therefore, 16.5100=16.5% \frac{16.5}{100} = 16.5\% .

After conversion, we confirm that the percentage is 16.5% 16.5\% .

Answer

16.5%

Exercise #12

Convert the fraction 151.99100 \frac{151.99}{100} For percentages we obtain:

Video Solution

Step-by-Step Solution

To solve this problem, we'll proceed with the following steps:

  • Identify the given fraction expressed as 151.99100 \frac{151.99}{100} .
  • Since the denominator is 100, directly interpret the numerator as the percentage.
  • Simply attach the percentage symbol to the numerator to express as a percentage.

Now, let's execute these steps:

The fraction given is 151.99100 \frac{151.99}{100} . In percentage terms, when the denominator is 100, we can state the percentage directly as the numerator.
As a result, the conversion gives us 151.99% 151.99\% .

Therefore, the solution to the problem is 151.99%.

Answer

151.99%

Exercise #13

Convert the fraction 3510 \frac{35}{10} For percentages we obtain:

Video Solution

Step-by-Step Solution

To solve this problem, we need to convert the fraction 3510\frac{35}{10} into a percentage.

Step 1: Start with the fraction 3510\frac{35}{10}. We can simplify 3510\frac{35}{10} to 72\frac{7}{2}, but simplifying is not necessary for percentage conversion.

Step 2: Apply the formula to convert the fraction to a percentage: Multiply the fraction by 100:

(3510)×100%=350% \left(\frac{35}{10}\right) \times 100\% = 350\%

This calculation gives us the percentage equivalent of the fraction.

Therefore, the fraction 3510\frac{35}{10} converts to 350% \textbf{350\%} .

In the given choices, the correct answer is:

350%

Answer

350%

Exercise #14

Convert the fraction 4.510 \frac{4.5}{10} For percentages we obtain:

Video Solution

Step-by-Step Solution

To solve this problem, we will convert the fraction 4.510 \frac{4.5}{10} into a percentage.

The method involves two main steps:

  • Step 1: Multiply the fraction by 100 to convert it to a percentage.
  • Step 2: Express the result as a percentage.

Now, let's work through each step:

Step 1: The given fraction is 4.510 \frac{4.5}{10} . We use the formula for percentage conversion: Percentage=4.510×100%\text{Percentage} = \frac{4.5}{10} \times 100\% .

Step 2: Calculating, 4.510×100=45\frac{4.5}{10} \times 100 = 45.

Therefore, the percentage equivalent of 4.510 \frac{4.5}{10} is 45%.

Based on the given multiple-choice options, the correct answer is: 45%.

Answer

45%

Exercise #15

Convert the fraction 3810 \frac{38}{10} For percentages we obtain:

Video Solution

Step-by-Step Solution

To convert the fraction 3810 \frac{38}{10} into a percentage, follow these steps:

  • Step 1: Divide the numerator by the denominator to convert to a decimal.
    - Calculate: 38÷10=3.8 38 \div 10 = 3.8 .

  • Step 2: Multiply the decimal by 100 to convert to a percentage.
    - Calculate: 3.8×100=380 3.8 \times 100 = 380 .

The fraction 3810 \frac{38}{10} as a percentage is therefore 380% 380\% .

The correct answer is 380%, which corresponds to Choice 22.

Answer

380%

Exercise #16

Convert the fraction 7.810 \frac{7.8}{10} For percentages we obtain:

Video Solution

Step-by-Step Solution

To convert the fraction 7.810 \frac{7.8}{10} into a percentage, we follow these simple steps:

  • Step 1: Understand that converting a fraction to a percentage involves multiplying by 100.

  • Step 2: Express the fraction given as a decimal by performing the division 7.810=0.78 \frac{7.8}{10} = 0.78 .

  • Step 3: Multiply the decimal by 100 to convert it to a percentage: 0.78×100=78 0.78 \times 100 = 78 . This gives us 78% 78\% .

Therefore, converting the fraction 7.810 \frac{7.8}{10} to a percentage, we get 78% 78\% .

Answer

78%

Exercise #17

Convert the fraction 510 \frac{5}{10} For percentages we obtain:

Video Solution

Step-by-Step Solution

To solve the problem of converting the fraction 510 \frac{5}{10} to a percentage, follow these steps:

  • Step 1: Start with the fraction 510 \frac{5}{10} .
  • Step 2: Multiply the fraction by 100 to convert it to a percentage:

510×100=50 \frac{5}{10} \times 100 = 50 .

  • Step 3: The result is already simplified and represents the fraction in percentage form.

Therefore, the fraction 510 \frac{5}{10} is equivalent to 50%.

Comparing with the given choices, the correct answer is option 1, which is 50%.

Answer

50%

Exercise #18

Convert the fraction 3.310 \frac{3.3}{10} into a percentage.

Video Solution

Step-by-Step Solution

When we have a fraction whose denominator is not 100, we will have to convert it to 100

That is:

10×10=100 10\times10=100

Now we also multiply the numerator by 10:

3.3×1010×10=33100 \frac{3.3\times10}{10\times10}=\frac{33}{100}

Now we use the formula:

x100=x% \frac{x}{100}=x\%

33100=33% \frac{33}{100}=33\%

Answer

33%

Exercise #19

Convert the fraction 55.110 \frac{55.1}{10} For percentages we obtain:

Video Solution

Step-by-Step Solution

To convert the fraction 55.110\frac{55.1}{10} to a percentage, follow these steps:

  • Step 1: Convert the fraction to a decimal by performing the division: 55.110=5.51\frac{55.1}{10} = 5.51.

  • Step 2: Multiply the decimal by 100 to convert it to a percentage: 5.51×100=551%5.51 \times 100 = 551\% .

Therefore, the fraction 55.110\frac{55.1}{10} converted to a percentage is 551%.

Answer

551%

Exercise #20

Convert the fraction 7.8810 \frac{7.88}{10} For percentages we obtain:

Video Solution

Step-by-Step Solution

To solve this problem, let's convert the given fraction into a percentage:

  • Step 1: Identify the given fraction, which is 7.8810 \frac{7.88}{10} .
  • Step 2: Convert it to a percentage by multiplying by 100.

Let's proceed with the calculation:
First, we calculate the decimal value of the fraction:
7.8810=0.788 \frac{7.88}{10} = 0.788 .

Next, convert this decimal to a percentage:
0.788×100=78.8 0.788 \times 100 = 78.8 .

So, the fraction 7.8810 \frac{7.88}{10} expressed as a percentage is 78.8%.

This corresponds to choice 3 in the options provided: 78.8%.

Answer

78.8%