Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 21/14 and 54/70

1st number: 1 7/14, 2nd number: 54/70

21/14 + 54/70 is 159/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 70 is 70
  2. For the 1st fraction, since 14 × 5 = 70,
    21/14 = 21 × 5/14 × 5 = 105/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    54/70 = 54 × 1/70 × 1 = 54/70
  4. Add the two fractions:
    105/70 + 54/70 = 105 + 54/70 = 159/70
  5. In mixed form: 219/70

Related:

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

© everydaycalculation.com