Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/84 and 6/9

30/84 + 6/9 is 43/42.

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,
    30/84 = 30 × 3/84 × 3 = 90/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    6/9 = 6 × 28/9 × 28 = 168/252
  4. Add the two fractions:
    90/252 + 168/252 = 90 + 168/252 = 258/252
  5. 258/252 simplified gives 43/42
  6. So, 30/84 + 6/9 = 43/42
    In mixed form: 11/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com