Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/72 and 96/20

1st number: 1 18/72, 2nd number: 4 16/20

90/72 + 96/20 is 121/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 20 is 360
  2. For the 1st fraction, since 72 × 5 = 360,
    90/72 = 90 × 5/72 × 5 = 450/360
  3. Likewise, for the 2nd fraction, since 20 × 18 = 360,
    96/20 = 96 × 18/20 × 18 = 1728/360
  4. Add the two fractions:
    450/360 + 1728/360 = 450 + 1728/360 = 2178/360
  5. 2178/360 simplified gives 121/20
  6. So, 90/72 + 96/20 = 121/20
    In mixed form: 61/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com