Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/5 and 27/12

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

18/5 + 27/12 is 117/20.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 5 × 12 = 60,
    18/5 = 18 × 12/5 × 12 = 216/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    27/12 = 27 × 5/12 × 5 = 135/60
  4. Add the two like fractions:
    216/60 + 135/60 = 216 + 135/60 = 351/60
  5. 351/60 simplified gives 117/20
  6. So, 18/5 + 27/12 = 117/20
    In mixed form: 517/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com