Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/60 and 6/21

12/60 + 6/21 is 17/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 21 is 420
  2. For the 1st fraction, since 60 × 7 = 420,
    12/60 = 12 × 7/60 × 7 = 84/420
  3. Likewise, for the 2nd fraction, since 21 × 20 = 420,
    6/21 = 6 × 20/21 × 20 = 120/420
  4. Add the two fractions:
    84/420 + 120/420 = 84 + 120/420 = 204/420
  5. 204/420 simplified gives 17/35
  6. So, 12/60 + 6/21 = 17/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com