Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 14/21 and 70/72

14/21 + 70/72 is 59/36.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 21 × 24 = 504,
    14/21 = 14 × 24/21 × 24 = 336/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    70/72 = 70 × 7/72 × 7 = 490/504
  4. Add the two like fractions:
    336/504 + 490/504 = 336 + 490/504 = 826/504
  5. 826/504 simplified gives 59/36
  6. So, 14/21 + 70/72 = 59/36
    In mixed form: 123/36

MathStep (Works offline)

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

Related:

© everydaycalculation.com