Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/90 and 9/96

72/90 + 9/96 is 143/160.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 96 is 1440

    Next, find the equivalent fraction of both fractional numbers with denominator 1440
  2. For the 1st fraction, since 90 × 16 = 1440,
    72/90 = 72 × 16/90 × 16 = 1152/1440
  3. Likewise, for the 2nd fraction, since 96 × 15 = 1440,
    9/96 = 9 × 15/96 × 15 = 135/1440
  4. Add the two like fractions:
    1152/1440 + 135/1440 = 1152 + 135/1440 = 1287/1440
  5. 1287/1440 simplified gives 143/160
  6. So, 72/90 + 9/96 = 143/160

MathStep (Works offline)

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

Related:

© everydaycalculation.com