Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 9/15 and 30/18

1st number: 9/15, 2nd number: 1 12/18

9/15 + 30/18 is 34/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 18 is 90
  2. For the 1st fraction, since 15 × 6 = 90,
    9/15 = 9 × 6/15 × 6 = 54/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    30/18 = 30 × 5/18 × 5 = 150/90
  4. Add the two fractions:
    54/90 + 150/90 = 54 + 150/90 = 204/90
  5. After reducing the fraction, the answer is 34/15
  6. In mixed form: 24/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com