Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/30 and 21/36

8/30 + 21/36 is 17/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 36 is 180
  2. For the 1st fraction, since 30 × 6 = 180,
    8/30 = 8 × 6/30 × 6 = 48/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    21/36 = 21 × 5/36 × 5 = 105/180
  4. Add the two fractions:
    48/180 + 105/180 = 48 + 105/180 = 153/180
  5. 153/180 simplified gives 17/20
  6. So, 8/30 + 21/36 = 17/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com