Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 32/72 and 15/21

32/72 + 15/21 is 73/63.

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,
    32/72 = 32 × 7/72 × 7 = 224/504
  3. Likewise, for the 2nd fraction, since 21 × 24 = 504,
    15/21 = 15 × 24/21 × 24 = 360/504
  4. Add the two like fractions:
    224/504 + 360/504 = 224 + 360/504 = 584/504
  5. 584/504 simplified gives 73/63
  6. So, 32/72 + 15/21 = 73/63
    In mixed form: 110/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com