Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/42 and 6/28

15/42 + 6/28 is 4/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 28 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 42 × 2 = 84,
    15/42 = 15 × 2/42 × 2 = 30/84
  3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
    6/28 = 6 × 3/28 × 3 = 18/84
  4. Add the two like fractions:
    30/84 + 18/84 = 30 + 18/84 = 48/84
  5. 48/84 simplified gives 4/7
  6. So, 15/42 + 6/28 = 4/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com