Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/12 and 15/63

7/12 + 15/63 is 23/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 63 is 252
  2. For the 1st fraction, since 12 × 21 = 252,
    7/12 = 7 × 21/12 × 21 = 147/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    15/63 = 15 × 4/63 × 4 = 60/252
  4. Add the two fractions:
    147/252 + 60/252 = 147 + 60/252 = 207/252
  5. 207/252 simplified gives 23/28
  6. So, 7/12 + 15/63 = 23/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com