Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 56/20 and 15/7

1st number: 2 16/20, 2nd number: 2 1/7

56/20 + 15/7 is 173/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 7 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    56/20 = 56 × 7/20 × 7 = 392/140
  3. Likewise, for the 2nd fraction, since 7 × 20 = 140,
    15/7 = 15 × 20/7 × 20 = 300/140
  4. Add the two like fractions:
    392/140 + 300/140 = 392 + 300/140 = 692/140
  5. 692/140 simplified gives 173/35
  6. So, 56/20 + 15/7 = 173/35
    In mixed form: 433/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com