Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/84 and 56/24

1st number: 72/84, 2nd number: 2 8/24

72/84 + 56/24 is 67/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 24 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 84 × 2 = 168,
    72/84 = 72 × 2/84 × 2 = 144/168
  3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
    56/24 = 56 × 7/24 × 7 = 392/168
  4. Add the two like fractions:
    144/168 + 392/168 = 144 + 392/168 = 536/168
  5. 536/168 simplified gives 67/21
  6. So, 72/84 + 56/24 = 67/21
    In mixed form: 34/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com