Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 54/56 and 18/72

54/56 + 18/72 is 17/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 56 × 9 = 504,
    54/56 = 54 × 9/56 × 9 = 486/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    18/72 = 18 × 7/72 × 7 = 126/504
  4. Add the two like fractions:
    486/504 + 126/504 = 486 + 126/504 = 612/504
  5. 612/504 simplified gives 17/14
  6. So, 54/56 + 18/72 = 17/14
    In mixed form: 13/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com