Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 72/45 and 3/12

1st number: 1 27/45, 2nd number: 3/12

72/45 + 3/12 is 37/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 12 is 180
  2. For the 1st fraction, since 45 × 4 = 180,
    72/45 = 72 × 4/45 × 4 = 288/180
  3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
    3/12 = 3 × 15/12 × 15 = 45/180
  4. Add the two fractions:
    288/180 + 45/180 = 288 + 45/180 = 333/180
  5. After reducing the fraction, the answer is 37/20
  6. In mixed form: 117/20

Related:

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

© everydaycalculation.com