Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 36/20 and 48/21

1st number: 1 16/20, 2nd number: 2 6/21

36/20 + 48/21 is 143/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 21 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 20 × 21 = 420,
    36/20 = 36 × 21/20 × 21 = 756/420
  3. Likewise, for the 2nd fraction, since 21 × 20 = 420,
    48/21 = 48 × 20/21 × 20 = 960/420
  4. Add the two like fractions:
    756/420 + 960/420 = 756 + 960/420 = 1716/420
  5. 1716/420 simplified gives 143/35
  6. So, 36/20 + 48/21 = 143/35
    In mixed form: 43/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com