Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 9/12 and 27/18

1st number: 9/12, 2nd number: 1 9/18

9/12 + 27/18 is 9/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 18 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 12 × 3 = 36,
    9/12 = 9 × 3/12 × 3 = 27/36
  3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
    27/18 = 27 × 2/18 × 2 = 54/36
  4. Add the two like fractions:
    27/36 + 54/36 = 27 + 54/36 = 81/36
  5. 81/36 simplified gives 9/4
  6. So, 9/12 + 27/18 = 9/4
    In mixed form: 21/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com