Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/18 and 49/72

1st number: 1 2/18, 2nd number: 49/72

20/18 + 49/72 is 43/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 72 is 72
  2. For the 1st fraction, since 18 × 4 = 72,
    20/18 = 20 × 4/18 × 4 = 80/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    49/72 = 49 × 1/72 × 1 = 49/72
  4. Add the two fractions:
    80/72 + 49/72 = 80 + 49/72 = 129/72
  5. 129/72 simplified gives 43/24
  6. So, 20/18 + 49/72 = 43/24
    In mixed form: 119/24

MathStep (Works offline)

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

Related:

© everydaycalculation.com