Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 20/63 and 3/12

20/63 + 3/12 is 143/252.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 12 is 252
  2. For the 1st fraction, since 63 × 4 = 252,
    20/63 = 20 × 4/63 × 4 = 80/252
  3. Likewise, for the 2nd fraction, since 12 × 21 = 252,
    3/12 = 3 × 21/12 × 21 = 63/252
  4. Add the two fractions:
    80/252 + 63/252 = 80 + 63/252 = 143/252

MathStep (Works offline)

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

Related:

© everydaycalculation.com