Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 90/20 and 12/63

1st number: 4 10/20, 2nd number: 12/63

90/20 + 12/63 is 197/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 63 is 1260
  2. For the 1st fraction, since 20 × 63 = 1260,
    90/20 = 90 × 63/20 × 63 = 5670/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    12/63 = 12 × 20/63 × 20 = 240/1260
  4. Add the two fractions:
    5670/1260 + 240/1260 = 5670 + 240/1260 = 5910/1260
  5. After reducing the fraction, the answer is 197/42
  6. In mixed form: 429/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com