?−231=142
\( ?-2\frac{1}{3}=1\frac{2}{4} \)
\( ?-4\frac{1}{7}=1\frac{3}{7} \)
\( ?-5\frac{5}{6}=1\frac{2}{3} \)
\( ?-2\frac{1}{4}=5\frac{2}{4} \)
\( 5\frac{2}{7}+?=6\frac{3}{7} \)
To solve this equation , we will perform the following steps:
Therefore, the missing term that satisfies the equation is , corresponding to choice 1.
To solve this problem, we'll follow these steps:
Now, let's work through each step:
Step 1: Convert and to improper fractions.
- becomes because .
- becomes because .
Step 2: The equation is . Rearranging gives us .
Step 3: Perform the addition:
- Adding the improper fractions gives .
Step 4: Convert back to a mixed fraction:
- Divide by , which gives with a remainder of .
- So, is equivalent to .
Therefore, the number we are looking for is .
To solve this problem, follow these steps:
Now, let's solve the problem:
Step 1: Convert the mixed numbers:
is equivalent to (since ).
is equivalent to (since ).
Step 2: Add to both sides of the equation:
Convert to have a common denominator with :
(because we multiply both the numerator and denominator by 2)
Now perform the addition:
Step 3: Simplify the improper fraction:
(by dividing both the numerator and denominator by 3)
Convert back to a mixed number:
(since 15 divided by 2 is 7 with a remainder 1)
Therefore, the missing number is .
We need to find the missing number in the equation . This requires us to determine what number, when subtracted by , results in .
Step 1: Convert the mixed numbers into improper fractions.
Step 2: Solve for the unknown mixed number.
From the equation , we rearrange to find :
.
Step 3: Add the improper fractions.
Step 4: Convert the result back to a mixed number.
Therefore, the solution to the problem is .
To solve the given equation , follow these steps:
The mixed number is converted as follows:
The improper fraction becomes .
The mixed number is converted as follows:
The improper fraction becomes .
Since we need to find what is when is added to it, determine the difference:
Subtract the fraction from :
.
The fraction can be converted to the mixed number . This involves dividing 8 by 7, which yields a quotient of 1 with a remainder of 1.
Thus, the missing number is indeed .
The correct choice among the options provided is:
\( 5\frac{3}{4}+?=7\frac{1}{2} \)
\( 3\frac{2}{3}+?=6 \)
\( 2\frac{1}{2}+?=4 \)
To solve for the missing value, we employ the following plan:
Let's walk through these steps:
Step 1: Convert the mixed numbers.
Convert into an improper fraction:
.
Convert into an improper fraction:
.
Since (after finding a common denominator), we will use for subtraction.
Step 2: Subtract the improper fractions.
Now, calculate .
Step 3: Convert back to a mixed number.
(since 7 divided by 4 is 1 with a remainder of 3).
After solving, we find that the missing number in the equation is .
To solve , we need to determine what number, when added to the mixed fraction , results in 6.
Follow these steps:
Therefore, the missing number is .
The correct answer from the given choices is Option 3: .
To solve this problem, let's follow these steps:
Step 1: Convert to an improper fraction:
Step 2: Set up the equation Subtract from both sides: Convert 4 to a fraction with denominator 2: Then we have
Step 3: Convert the improper fraction back to a mixed number:
Therefore, the solution to the problem is , which matches choice 3.