Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/8 and 12/9

1st number: 1 7/8, 2nd number: 1 3/9

15/8 + 12/9 is 77/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 9 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    15/8 = 15 × 9/8 × 9 = 135/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    12/9 = 12 × 8/9 × 8 = 96/72
  4. Add the two like fractions:
    135/72 + 96/72 = 135 + 96/72 = 231/72
  5. 231/72 simplified gives 77/24
  6. So, 15/8 + 12/9 = 77/24
    In mixed form: 35/24

MathStep (Works offline)

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

Related:

© everydaycalculation.com