Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 80/15 and 84/72

1st number: 5 5/15, 2nd number: 1 12/72

80/15 + 84/72 is 13/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 72 is 360
  2. For the 1st fraction, since 15 × 24 = 360,
    80/15 = 80 × 24/15 × 24 = 1920/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    84/72 = 84 × 5/72 × 5 = 420/360
  4. Add the two fractions:
    1920/360 + 420/360 = 1920 + 420/360 = 2340/360
  5. 2340/360 simplified gives 13/2
  6. So, 80/15 + 84/72 = 13/2
    In mixed form: 61/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com