Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/14 and 12/21

8/14 + 12/21 is 8/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 21 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 14 × 3 = 42,
    8/14 = 8 × 3/14 × 3 = 24/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    12/21 = 12 × 2/21 × 2 = 24/42
  4. Add the two like fractions:
    24/42 + 24/42 = 24 + 24/42 = 48/42
  5. 48/42 simplified gives 8/7
  6. So, 8/14 + 12/21 = 8/7
    In mixed form: 11/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com