Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/36 and 2/21

1st number: 2 0/36, 2nd number: 2/21

72/36 + 2/21 is 44/21.

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,
    72/36 = 72 × 7/36 × 7 = 504/252
  3. Likewise, for the 2nd fraction, since 21 × 12 = 252,
    2/21 = 2 × 12/21 × 12 = 24/252
  4. Add the two like fractions:
    504/252 + 24/252 = 504 + 24/252 = 528/252
  5. 528/252 simplified gives 44/21
  6. So, 72/36 + 2/21 = 44/21
    In mixed form: 22/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com