Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 5/12 and 21/63

5/12 + 21/63 is 3/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 63 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 12 × 21 = 252,
    5/12 = 5 × 21/12 × 21 = 105/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    21/63 = 21 × 4/63 × 4 = 84/252
  4. Add the two like fractions:
    105/252 + 84/252 = 105 + 84/252 = 189/252
  5. 189/252 simplified gives 3/4
  6. So, 5/12 + 21/63 = 3/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com