Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/28 and 9/12

18/28 + 9/12 is 39/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 12 is 84
  2. For the 1st fraction, since 28 × 3 = 84,
    18/28 = 18 × 3/28 × 3 = 54/84
  3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
    9/12 = 9 × 7/12 × 7 = 63/84
  4. Add the two fractions:
    54/84 + 63/84 = 54 + 63/84 = 117/84
  5. 117/84 simplified gives 39/28
  6. So, 18/28 + 9/12 = 39/28
    In mixed form: 111/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com