Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 12/90 and 4/12

12/90 + 4/12 is 7/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 12 is 180
  2. For the 1st fraction, since 90 × 2 = 180,
    12/90 = 12 × 2/90 × 2 = 24/180
  3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
    4/12 = 4 × 15/12 × 15 = 60/180
  4. Add the two fractions:
    24/180 + 60/180 = 24 + 60/180 = 84/180
  5. After reducing the fraction, the answer is 7/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com