Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 4/21 and 2/36

4/21 + 2/36 is 31/126.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 21 × 12 = 252,
    4/21 = 4 × 12/21 × 12 = 48/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    2/36 = 2 × 7/36 × 7 = 14/252
  4. Add the two like fractions:
    48/252 + 14/252 = 48 + 14/252 = 62/252
  5. 62/252 simplified gives 31/126
  6. So, 4/21 + 2/36 = 31/126

MathStep (Works offline)

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

Related:

© everydaycalculation.com