Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/54 and 20/72

28/54 + 20/72 is 43/54.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 72 is 216

    Next, find the equivalent fraction of both fractional numbers with denominator 216
  2. For the 1st fraction, since 54 × 4 = 216,
    28/54 = 28 × 4/54 × 4 = 112/216
  3. Likewise, for the 2nd fraction, since 72 × 3 = 216,
    20/72 = 20 × 3/72 × 3 = 60/216
  4. Add the two like fractions:
    112/216 + 60/216 = 112 + 60/216 = 172/216
  5. 172/216 simplified gives 43/54
  6. So, 28/54 + 20/72 = 43/54

MathStep (Works offline)

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

Related:

© everydaycalculation.com