Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/15 and 81/14

1st number: 12/15, 2nd number: 5 11/14

12/15 + 81/14 is 461/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 14 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 15 × 14 = 210,
    12/15 = 12 × 14/15 × 14 = 168/210
  3. Likewise, for the 2nd fraction, since 14 × 15 = 210,
    81/14 = 81 × 15/14 × 15 = 1215/210
  4. Add the two like fractions:
    168/210 + 1215/210 = 168 + 1215/210 = 1383/210
  5. 1383/210 simplified gives 461/70
  6. So, 12/15 + 81/14 = 461/70
    In mixed form: 641/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com