Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 56/15 and 42/8

1st number: 3 11/15, 2nd number: 5 2/8

56/15 + 42/8 is 539/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 8 is 120
  2. For the 1st fraction, since 15 × 8 = 120,
    56/15 = 56 × 8/15 × 8 = 448/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    42/8 = 42 × 15/8 × 15 = 630/120
  4. Add the two fractions:
    448/120 + 630/120 = 448 + 630/120 = 1078/120
  5. 1078/120 simplified gives 539/60
  6. So, 56/15 + 42/8 = 539/60
    In mixed form: 859/60

MathStep (Works offline)

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

Related:

© everydaycalculation.com