Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/8 and 20/16

1st number: 1 7/8, 2nd number: 1 4/16

15/8 + 20/16 is 25/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 16 is 16

    Next, find the equivalent fraction of both fractional numbers with denominator 16
  2. For the 1st fraction, since 8 × 2 = 16,
    15/8 = 15 × 2/8 × 2 = 30/16
  3. Likewise, for the 2nd fraction, since 16 × 1 = 16,
    20/16 = 20 × 1/16 × 1 = 20/16
  4. Add the two like fractions:
    30/16 + 20/16 = 30 + 20/16 = 50/16
  5. 50/16 simplified gives 25/8
  6. So, 15/8 + 20/16 = 25/8
    In mixed form: 31/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com