Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 14/84 and 21/54

14/84 + 21/54 is 5/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 54 is 756
  2. For the 1st fraction, since 84 × 9 = 756,
    14/84 = 14 × 9/84 × 9 = 126/756
  3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
    21/54 = 21 × 14/54 × 14 = 294/756
  4. Add the two fractions:
    126/756 + 294/756 = 126 + 294/756 = 420/756
  5. 420/756 simplified gives 5/9
  6. So, 14/84 + 21/54 = 5/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com