Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 4/21 and 5/8

4/21 + 5/8 is 137/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 8 is 168
  2. For the 1st fraction, since 21 × 8 = 168,
    4/21 = 4 × 8/21 × 8 = 32/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    5/8 = 5 × 21/8 × 21 = 105/168
  4. Add the two fractions:
    32/168 + 105/168 = 32 + 105/168 = 137/168

Related:

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

© everydaycalculation.com