Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/32 and 25/20

1st number: 28/32, 2nd number: 1 5/20

28/32 + 25/20 is 17/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 20 is 160

    Next, find the equivalent fraction of both fractional numbers with denominator 160
  2. For the 1st fraction, since 32 × 5 = 160,
    28/32 = 28 × 5/32 × 5 = 140/160
  3. Likewise, for the 2nd fraction, since 20 × 8 = 160,
    25/20 = 25 × 8/20 × 8 = 200/160
  4. Add the two like fractions:
    140/160 + 200/160 = 140 + 200/160 = 340/160
  5. 340/160 simplified gives 17/8
  6. So, 28/32 + 25/20 = 17/8
    In mixed form: 21/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com