Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/35 and 40/60

15/35 + 40/60 is 23/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 60 is 420
  2. For the 1st fraction, since 35 × 12 = 420,
    15/35 = 15 × 12/35 × 12 = 180/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    40/60 = 40 × 7/60 × 7 = 280/420
  4. Add the two fractions:
    180/420 + 280/420 = 180 + 280/420 = 460/420
  5. 460/420 simplified gives 23/21
  6. So, 15/35 + 40/60 = 23/21
    In mixed form: 12/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com