Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/20 and 24/63

12/20 + 24/63 is 103/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 63 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 20 × 63 = 1260,
    12/20 = 12 × 63/20 × 63 = 756/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    24/63 = 24 × 20/63 × 20 = 480/1260
  4. Add the two like fractions:
    756/1260 + 480/1260 = 756 + 480/1260 = 1236/1260
  5. 1236/1260 simplified gives 103/105
  6. So, 12/20 + 24/63 = 103/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com