Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/4 and 5/7

3/4 + 5/7 is 41/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 7 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 4 × 7 = 28,
    3/4 = 3 × 7/4 × 7 = 21/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    5/7 = 5 × 4/7 × 4 = 20/28
  4. Add the two like fractions:
    21/28 + 20/28 = 21 + 20/28 = 41/28
  5. So, 3/4 + 5/7 = 41/28
    In mixed form: 113/28

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com