Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 8/5 and 1/21

1st number: 1 3/5, 2nd number: 1/21

8/5 + 1/21 is 173/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 21 is 105
  2. For the 1st fraction, since 5 × 21 = 105,
    8/5 = 8 × 21/5 × 21 = 168/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    1/21 = 1 × 5/21 × 5 = 5/105
  4. Add the two fractions:
    168/105 + 5/105 = 168 + 5/105 = 173/105
  5. In mixed form: 168/105

Related:

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

© everydaycalculation.com