Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/35 and 8/28

15/35 + 8/28 is 5/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 28 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 35 × 4 = 140,
    15/35 = 15 × 4/35 × 4 = 60/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    8/28 = 8 × 5/28 × 5 = 40/140
  4. Add the two like fractions:
    60/140 + 40/140 = 60 + 40/140 = 100/140
  5. 100/140 simplified gives 5/7
  6. So, 15/35 + 8/28 = 5/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com