Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/7 and 9/8

1st number: 2 6/7, 2nd number: 1 1/8

20/7 + 9/8 is 223/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 8 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 7 × 8 = 56,
    20/7 = 20 × 8/7 × 8 = 160/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    9/8 = 9 × 7/8 × 7 = 63/56
  4. Add the two like fractions:
    160/56 + 63/56 = 160 + 63/56 = 223/56
  5. So, 20/7 + 9/8 = 223/56
    In mixed form: 355/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com