Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 9/12 and 36/45

9/12 + 36/45 is 31/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 45 is 180
  2. For the 1st fraction, since 12 × 15 = 180,
    9/12 = 9 × 15/12 × 15 = 135/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    36/45 = 36 × 4/45 × 4 = 144/180
  4. Add the two fractions:
    135/180 + 144/180 = 135 + 144/180 = 279/180
  5. 279/180 simplified gives 31/20
  6. So, 9/12 + 36/45 = 31/20
    In mixed form: 111/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com