Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 21/56 and 90/7

1st number: 21/56, 2nd number: 12 6/7

21/56 + 90/7 is 741/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 7 is 56
  2. For the 1st fraction, since 56 × 1 = 56,
    21/56 = 21 × 1/56 × 1 = 21/56
  3. Likewise, for the 2nd fraction, since 7 × 8 = 56,
    90/7 = 90 × 8/7 × 8 = 720/56
  4. Add the two fractions:
    21/56 + 720/56 = 21 + 720/56 = 741/56
  5. In mixed form: 1313/56

Related:

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

© everydaycalculation.com