Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 5/12 and 42/45

5/12 + 42/45 is 27/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 45 is 180
  2. For the 1st fraction, since 12 × 15 = 180,
    5/12 = 5 × 15/12 × 15 = 75/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    42/45 = 42 × 4/45 × 4 = 168/180
  4. Add the two fractions:
    75/180 + 168/180 = 75 + 168/180 = 243/180
  5. After reducing the fraction, the answer is 27/20
  6. In mixed form: 17/20

Related:

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

© everydaycalculation.com