Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/36 and 63/21

1st number: 7/36, 2nd number: 3 0/21

7/36 + 63/21 is 115/36.

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,
    7/36 = 7 × 7/36 × 7 = 49/252
  3. Likewise, for the 2nd fraction, since 21 × 12 = 252,
    63/21 = 63 × 12/21 × 12 = 756/252
  4. Add the two like fractions:
    49/252 + 756/252 = 49 + 756/252 = 805/252
  5. 805/252 simplified gives 115/36
  6. So, 7/36 + 63/21 = 115/36
    In mixed form: 37/36

MathStep (Works offline)

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

Related:

© everydaycalculation.com