Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 63/15 and 90/27

1st number: 4 3/15, 2nd number: 3 9/27

63/15 + 90/27 is 113/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 27 is 135
  2. For the 1st fraction, since 15 × 9 = 135,
    63/15 = 63 × 9/15 × 9 = 567/135
  3. Likewise, for the 2nd fraction, since 27 × 5 = 135,
    90/27 = 90 × 5/27 × 5 = 450/135
  4. Add the two fractions:
    567/135 + 450/135 = 567 + 450/135 = 1017/135
  5. After reducing the fraction, the answer is 113/15
  6. In mixed form: 78/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com