Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 20/15 and 84/9

1st number: 1 5/15, 2nd number: 9 3/9

20/15 + 84/9 is 32/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 9 is 45
  2. For the 1st fraction, since 15 × 3 = 45,
    20/15 = 20 × 3/15 × 3 = 60/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    84/9 = 84 × 5/9 × 5 = 420/45
  4. Add the two fractions:
    60/45 + 420/45 = 60 + 420/45 = 480/45
  5. After reducing the fraction, the answer is 32/3
  6. In mixed form: 102/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com