Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/14 and 21/36

12/14 + 21/36 is 121/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 36 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 14 × 18 = 252,
    12/14 = 12 × 18/14 × 18 = 216/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    21/36 = 21 × 7/36 × 7 = 147/252
  4. Add the two like fractions:
    216/252 + 147/252 = 216 + 147/252 = 363/252
  5. 363/252 simplified gives 121/84
  6. So, 12/14 + 21/36 = 121/84
    In mixed form: 137/84

MathStep (Works offline)

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

Related:

© everydaycalculation.com