Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/12 and 7/5

1st number: 1 8/12, 2nd number: 1 2/5

20/12 + 7/5 is 46/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 5 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    20/12 = 20 × 5/12 × 5 = 100/60
  3. Likewise, for the 2nd fraction, since 5 × 12 = 60,
    7/5 = 7 × 12/5 × 12 = 84/60
  4. Add the two like fractions:
    100/60 + 84/60 = 100 + 84/60 = 184/60
  5. 184/60 simplified gives 46/15
  6. So, 20/12 + 7/5 = 46/15
    In mixed form: 31/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com