Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/36 and 21/14

1st number: 20/36, 2nd number: 1 7/14

20/36 + 21/14 is 37/18.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 36 × 7 = 252,
    20/36 = 20 × 7/36 × 7 = 140/252
  3. Likewise, for the 2nd fraction, since 14 × 18 = 252,
    21/14 = 21 × 18/14 × 18 = 378/252
  4. Add the two like fractions:
    140/252 + 378/252 = 140 + 378/252 = 518/252
  5. 518/252 simplified gives 37/18
  6. So, 20/36 + 21/14 = 37/18
    In mixed form: 21/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com