Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 60/72 and 56/21

1st number: 60/72, 2nd number: 2 14/21

60/72 + 56/21 is 7/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 21 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    60/72 = 60 × 7/72 × 7 = 420/504
  3. Likewise, for the 2nd fraction, since 21 × 24 = 504,
    56/21 = 56 × 24/21 × 24 = 1344/504
  4. Add the two like fractions:
    420/504 + 1344/504 = 420 + 1344/504 = 1764/504
  5. 1764/504 simplified gives 7/2
  6. So, 60/72 + 56/21 = 7/2
    In mixed form: 31/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com