Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 6/36 and 8/21

6/36 + 8/21 is 23/42.

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,
    6/36 = 6 × 7/36 × 7 = 42/252
  3. Likewise, for the 2nd fraction, since 21 × 12 = 252,
    8/21 = 8 × 12/21 × 12 = 96/252
  4. Add the two like fractions:
    42/252 + 96/252 = 42 + 96/252 = 138/252
  5. 138/252 simplified gives 23/42
  6. So, 6/36 + 8/21 = 23/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com