Answer:
1/4 + 3/7 = 19/28
Explanation:
Step 1: Find common denominator
Common denominator of 7 and 4 is 28 (since 7 × 4 = 28)
Step 2: Multiply fractions by the factor (equivalent to 1) that will bring each denominator to 28
1/4 × 7/7 = 7/28
3/7 × 4/4 = 12/28
Step 3: Simply add the newly-converted fractions
7/28 + 12/28 = 19/28
This fraction cannot be simplified, so the final answer is 19/28.