Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 12/15 and 18/30

12/15 + 18/30 is 7/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 30 is 30
  2. For the 1st fraction, since 15 × 2 = 30,
    12/15 = 12 × 2/15 × 2 = 24/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    18/30 = 18 × 1/30 × 1 = 18/30
  4. Add the two fractions:
    24/30 + 18/30 = 24 + 18/30 = 42/30
  5. After reducing the fraction, the answer is 7/5
  6. In mixed form: 12/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com