Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 12/15 and 20/12

1st number: 12/15, 2nd number: 1 8/12

12/15 + 20/12 is 37/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 12 is 60
  2. For the 1st fraction, since 15 × 4 = 60,
    12/15 = 12 × 4/15 × 4 = 48/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    20/12 = 20 × 5/12 × 5 = 100/60
  4. Add the two fractions:
    48/60 + 100/60 = 48 + 100/60 = 148/60
  5. After reducing the fraction, the answer is 37/15
  6. In mixed form: 27/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com