Adding Unlike Fractions: Finding the Sum of 1/4 and 4/8

Question

Solve the following exercise:

14+48=? \frac{1}{4}+\frac{4}{8}=\text{?}

Video Solution

Solution Steps

00:00 Solve
00:03 Let's multiply the fraction by 2 to get a common denominator
00:11 Remember to multiply both numerator and denominator
00:19 Let's calculate the multiplications
00:26 Let's add under the common denominator
00:29 Let's calculate the numerator
00:33 And this is the solution to the question

Step-by-Step Solution

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

  • Step 1: Convert 14 \frac{1}{4} to a fraction with a denominator of 8.
  • Step 2: Add the fractions.
  • Step 3: Simplify the result.

Now, let's work through each step:

Step 1: Convert 14 \frac{1}{4} to have a denominator of 8. Since 8÷4=2 8 \div 4 = 2 , multiply both the numerator and denominator of 14 \frac{1}{4} by 2:

14=1×24×2=28 \frac{1}{4} = \frac{1 \times 2}{4 \times 2} = \frac{2}{8}

Step 2: Now add 28 \frac{2}{8} and 48 \frac{4}{8} :

28+48=2+48=68 \frac{2}{8} + \frac{4}{8} = \frac{2 + 4}{8} = \frac{6}{8}

Step 3: Simplify 68 \frac{6}{8} if possible. The greatest common divisor of 6 and 8 is 2. So, 68 \frac{6}{8} simplifies to:

6÷28÷2=34 \frac{6 \div 2}{8 \div 2} = \frac{3}{4}

Therefore, the solution to the problem is 68 \frac{6}{8} .

Answer

68 \frac{6}{8}