Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 20/21 and 3/24

20/21 + 3/24 is 181/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 24 is 168
  2. For the 1st fraction, since 21 × 8 = 168,
    20/21 = 20 × 8/21 × 8 = 160/168
  3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
    3/24 = 3 × 7/24 × 7 = 21/168
  4. Add the two fractions:
    160/168 + 21/168 = 160 + 21/168 = 181/168
  5. In mixed form: 113/168

MathStep (Works offline)

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

Related:

© everydaycalculation.com