Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 48/36 and 20/21

1st number: 1 12/36, 2nd number: 20/21

48/36 + 20/21 is 16/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 21 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 36 × 7 = 252,
    48/36 = 48 × 7/36 × 7 = 336/252
  3. Likewise, for the 2nd fraction, since 21 × 12 = 252,
    20/21 = 20 × 12/21 × 12 = 240/252
  4. Add the two like fractions:
    336/252 + 240/252 = 336 + 240/252 = 576/252
  5. 576/252 simplified gives 16/7
  6. So, 48/36 + 20/21 = 16/7
    In mixed form: 22/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com