Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 16/20 and 3/21

16/20 + 3/21 is 33/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 21 is 420
  2. For the 1st fraction, since 20 × 21 = 420,
    16/20 = 16 × 21/20 × 21 = 336/420
  3. Likewise, for the 2nd fraction, since 21 × 20 = 420,
    3/21 = 3 × 20/21 × 20 = 60/420
  4. Add the two fractions:
    336/420 + 60/420 = 336 + 60/420 = 396/420
  5. After reducing the fraction, the answer is 33/35

Related:

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

© everydaycalculation.com