Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 5/10 and 21/90

5/10 + 21/90 is 11/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 90 is 90
  2. For the 1st fraction, since 10 × 9 = 90,
    5/10 = 5 × 9/10 × 9 = 45/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    21/90 = 21 × 1/90 × 1 = 21/90
  4. Add the two fractions:
    45/90 + 21/90 = 45 + 21/90 = 66/90
  5. After reducing the fraction, the answer is 11/15

Related:

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

© everydaycalculation.com