Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 9/12 and 12/90

9/12 + 12/90 is 53/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 90 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 90 × 2 = 180,
    12/90 = 12 × 2/90 × 2 = 24/180
  4. Add the two fractions:
    135/180 + 24/180 = 135 + 24/180 = 159/180
  5. 159/180 simplified gives 53/60
  6. So, 9/12 + 12/90 = 53/60

MathStep (Works offline)

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

Related:

© everydaycalculation.com