Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/20 and 7/56

1st number: 3 12/20, 2nd number: 7/56

72/20 + 7/56 is 149/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 56 is 280
  2. For the 1st fraction, since 20 × 14 = 280,
    72/20 = 72 × 14/20 × 14 = 1008/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    7/56 = 7 × 5/56 × 5 = 35/280
  4. Add the two fractions:
    1008/280 + 35/280 = 1008 + 35/280 = 1043/280
  5. 1043/280 simplified gives 149/40
  6. So, 72/20 + 7/56 = 149/40
    In mixed form: 329/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com