Solve Fraction Addition: 1/2 + 2/7 Step-by-Step

Solve the following exercise:

12+27=? \frac{1}{2}+\frac{2}{7}=\text{?}

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:05 Let's solve the problem together.
00:08 First, multiply each fraction by the other fraction's denominator. This helps us find a common denominator.
00:17 Now, remember to multiply both the numerator and the denominator. Nice job!
00:32 Next, calculate those multiplications. You're doing great!
00:39 Then, we add the numerators together using the common denominator. Keep going!
00:45 Go ahead and calculate the numerator.
00:48 And that's how we find the solution. Great work!

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

Solve the following exercise:

12+27=? \frac{1}{2}+\frac{2}{7}=\text{?}

2

Step-by-step solution

To solve the given problem of adding two fractions 12 \frac{1}{2} and 27 \frac{2}{7} , follow these steps:

  • Step 1: Determine the common denominator.

The denominators of the fractions are 22 and 77. Multiply these two numbers to find the common denominator: 2×7=142 \times 7 = 14.

  • Step 2: Adjust each fraction to have the common denominator.

Convert 12 \frac{1}{2} to an equivalent fraction with a denominator of 1414:
12=1×72×7=714 \frac{1}{2} = \frac{1 \times 7}{2 \times 7} = \frac{7}{14}

Convert 27 \frac{2}{7} to an equivalent fraction with a denominator of 1414:
27=2×27×2=414 \frac{2}{7} = \frac{2 \times 2}{7 \times 2} = \frac{4}{14}

  • Step 3: Add the adjusted fractions.

Now that both fractions have a common denominator, add them:
714+414=7+414=1114 \frac{7}{14} + \frac{4}{14} = \frac{7 + 4}{14} = \frac{11}{14}

We have successfully added the fractions and obtained the result.

Therefore, the solution to the problem is 1114 \frac{11}{14} .

3

Final Answer

1114 \frac{11}{14}

Practice Quiz

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\( \frac{1}{4}\times\frac{3}{2}= \)

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