Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 60/45 and 84/72

1st number: 1 15/45, 2nd number: 1 12/72

60/45 + 84/72 is 5/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 72 is 360
  2. For the 1st fraction, since 45 × 8 = 360,
    60/45 = 60 × 8/45 × 8 = 480/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    84/72 = 84 × 5/72 × 5 = 420/360
  4. Add the two fractions:
    480/360 + 420/360 = 480 + 420/360 = 900/360
  5. 900/360 simplified gives 5/2
  6. So, 60/45 + 84/72 = 5/2
    In mixed form: 21/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com