Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/63 and 15/72

1st number: 1 21/63, 2nd number: 15/72

84/63 + 15/72 is 37/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 63 × 8 = 504,
    84/63 = 84 × 8/63 × 8 = 672/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    15/72 = 15 × 7/72 × 7 = 105/504
  4. Add the two like fractions:
    672/504 + 105/504 = 672 + 105/504 = 777/504
  5. 777/504 simplified gives 37/24
  6. So, 84/63 + 15/72 = 37/24
    In mixed form: 113/24

MathStep (Works offline)

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

Related:

© everydaycalculation.com