Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/4 and 2/21

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

10/4 + 2/21 is 109/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 21 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 4 × 21 = 84,
    10/4 = 10 × 21/4 × 21 = 210/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    2/21 = 2 × 4/21 × 4 = 8/84
  4. Add the two like fractions:
    210/84 + 8/84 = 210 + 8/84 = 218/84
  5. 218/84 simplified gives 109/42
  6. So, 10/4 + 2/21 = 109/42
    In mixed form: 225/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com