Solve the Fraction Addition: 3/4 + 1/8 Step-by-Step

Question

Solve the following exercise:

34+18=? \frac{3}{4}+\frac{1}{8}=\text{?}

Video Solution

Solution Steps

00:00 Solve
00:03 We want to find the least common denominator
00:06 So we multiply by 2 for the common denominator 8
00:09 Remember to multiply both numerator and denominator
00:17 Let's calculate the multiplications
00:21 Add under common denominator
00:27 Calculate the numerator
00:30 And this is the solution to the question

Step-by-Step Solution

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

  • Step 1: Find a common denominator for the fractions.
  • Step 2: Convert 34 \frac{3}{4} to a fraction with the new denominator.
  • Step 3: Add the two fractions.
  • Step 4: Simplify if necessary.

Now, let's go through the process:

Step 1: The problem is 34+18 \frac{3}{4} + \frac{1}{8} . The least common denominator (LCD) for 4 and 8 is 8.

Step 2: Convert 34 \frac{3}{4} to a fraction with a denominator of 8. To do this, multiply both the numerator and the denominator of 34 \frac{3}{4} by 2:

34=3×24×2=68 \frac{3}{4} = \frac{3 \times 2}{4 \times 2} = \frac{6}{8} .

Step 3: Now, add the two fractions with the same denominator:

68+18=6+18=78 \frac{6}{8} + \frac{1}{8} = \frac{6+1}{8} = \frac{7}{8} .

Step 4: The fraction 78 \frac{7}{8} is already in its simplest form.

Therefore, the solution to this problem is 78 \frac{7}{8} .

Answer

78 \frac{7}{8}