Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 2/21 and 16/80

2/21 + 16/80 is 31/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 80 is 1680
  2. For the 1st fraction, since 21 × 80 = 1680,
    2/21 = 2 × 80/21 × 80 = 160/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    16/80 = 16 × 21/80 × 21 = 336/1680
  4. Add the two fractions:
    160/1680 + 336/1680 = 160 + 336/1680 = 496/1680
  5. After reducing the fraction, the answer is 31/105

Related:

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

© everydaycalculation.com