Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 48/15 and 21/12

1st number: 3 3/15, 2nd number: 1 9/12

48/15 + 21/12 is 99/20.

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,
    48/15 = 48 × 4/15 × 4 = 192/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    21/12 = 21 × 5/12 × 5 = 105/60
  4. Add the two fractions:
    192/60 + 105/60 = 192 + 105/60 = 297/60
  5. After reducing the fraction, the answer is 99/20
  6. In mixed form: 419/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com