Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 48/72 and 8/21

48/72 + 8/21 is 22/21.

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,
    48/72 = 48 × 7/72 × 7 = 336/504
  3. Likewise, for the 2nd fraction, since 21 × 24 = 504,
    8/21 = 8 × 24/21 × 24 = 192/504
  4. Add the two like fractions:
    336/504 + 192/504 = 336 + 192/504 = 528/504
  5. 528/504 simplified gives 22/21
  6. So, 48/72 + 8/21 = 22/21
    In mixed form: 11/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com