Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 27/12 and 20/5

1st number: 2 3/12, 2nd number: 4 0/5

27/12 + 20/5 is 25/4.

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,
    27/12 = 27 × 5/12 × 5 = 135/60
  3. Likewise, for the 2nd fraction, since 5 × 12 = 60,
    20/5 = 20 × 12/5 × 12 = 240/60
  4. Add the two like fractions:
    135/60 + 240/60 = 135 + 240/60 = 375/60
  5. 375/60 simplified gives 25/4
  6. So, 27/12 + 20/5 = 25/4
    In mixed form: 61/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com