Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/15 and 10/8

1st number: 1 3/15, 2nd number: 1 2/8

18/15 + 10/8 is 49/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 8 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 15 × 8 = 120,
    18/15 = 18 × 8/15 × 8 = 144/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    10/8 = 10 × 15/8 × 15 = 150/120
  4. Add the two like fractions:
    144/120 + 150/120 = 144 + 150/120 = 294/120
  5. 294/120 simplified gives 49/20
  6. So, 18/15 + 10/8 = 49/20
    In mixed form: 29/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com