Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 15/12 and 9/8

1st number: 1 3/12, 2nd number: 1 1/8

15/12 + 9/8 is 19/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 8 is 24
  2. For the 1st fraction, since 12 × 2 = 24,
    15/12 = 15 × 2/12 × 2 = 30/24
  3. Likewise, for the 2nd fraction, since 8 × 3 = 24,
    9/8 = 9 × 3/8 × 3 = 27/24
  4. Add the two fractions:
    30/24 + 27/24 = 30 + 27/24 = 57/24
  5. After reducing the fraction, the answer is 19/8
  6. In mixed form: 23/8

Related:

Use fraction calculator with our all-in-one calculator app: Download for Android, Download for iOS

© everydaycalculation.com