Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 10/84 and 30/9

1st number: 10/84, 2nd number: 3 3/9

10/84 + 30/9 is 145/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 9 is 252
  2. For the 1st fraction, since 84 × 3 = 252,
    10/84 = 10 × 3/84 × 3 = 30/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    30/9 = 30 × 28/9 × 28 = 840/252
  4. Add the two fractions:
    30/252 + 840/252 = 30 + 840/252 = 870/252
  5. After reducing the fraction, the answer is 145/42
  6. In mixed form: 319/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com