Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/21 and 10/4

1st number: 8/21, 2nd number: 2 2/4

8/21 + 10/4 is 121/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 4 is 84
  2. For the 1st fraction, since 21 × 4 = 84,
    8/21 = 8 × 4/21 × 4 = 32/84
  3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
    10/4 = 10 × 21/4 × 21 = 210/84
  4. Add the two fractions:
    32/84 + 210/84 = 32 + 210/84 = 242/84
  5. 242/84 simplified gives 121/42
  6. So, 8/21 + 10/4 = 121/42
    In mixed form: 237/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com