Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 9/45 and 2/12

9/45 + 2/12 is 11/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 12 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    9/45 = 9 × 4/45 × 4 = 36/180
  3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
    2/12 = 2 × 15/12 × 15 = 30/180
  4. Add the two like fractions:
    36/180 + 30/180 = 36 + 30/180 = 66/180
  5. 66/180 simplified gives 11/30
  6. So, 9/45 + 2/12 = 11/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com