Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/32 and 15/40

28/32 + 15/40 is 5/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 40 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 40 × 4 = 160,
    15/40 = 15 × 4/40 × 4 = 60/160
  4. Add the two like fractions:
    140/160 + 60/160 = 140 + 60/160 = 200/160
  5. 200/160 simplified gives 5/4
  6. So, 28/32 + 15/40 = 5/4
    In mixed form: 11/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com