Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/42 and 6/8

15/42 + 6/8 is 31/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 8 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 42 × 4 = 168,
    15/42 = 15 × 4/42 × 4 = 60/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    6/8 = 6 × 21/8 × 21 = 126/168
  4. Add the two like fractions:
    60/168 + 126/168 = 60 + 126/168 = 186/168
  5. 186/168 simplified gives 31/28
  6. So, 15/42 + 6/8 = 31/28
    In mixed form: 13/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com