Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/12 and 18/3

1st number: 1 3/12, 2nd number: 6 0/3

15/12 + 18/3 is 29/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 3 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 12 × 1 = 12,
    15/12 = 15 × 1/12 × 1 = 15/12
  3. Likewise, for the 2nd fraction, since 3 × 4 = 12,
    18/3 = 18 × 4/3 × 4 = 72/12
  4. Add the two like fractions:
    15/12 + 72/12 = 15 + 72/12 = 87/12
  5. 87/12 simplified gives 29/4
  6. So, 15/12 + 18/3 = 29/4
    In mixed form: 71/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com