Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/28 and 72/18

1st number: 15/28, 2nd number: 4 0/18

15/28 + 72/18 is 127/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 18 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 28 × 9 = 252,
    15/28 = 15 × 9/28 × 9 = 135/252
  3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
    72/18 = 72 × 14/18 × 14 = 1008/252
  4. Add the two like fractions:
    135/252 + 1008/252 = 135 + 1008/252 = 1143/252
  5. 1143/252 simplified gives 127/28
  6. So, 15/28 + 72/18 = 127/28
    In mixed form: 415/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com