Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 21/2 and 1/5

1st number: 10 1/2, 2nd number: 1/5

21/2 + 1/5 is 107/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 5 is 10
  2. For the 1st fraction, since 2 × 5 = 10,
    21/2 = 21 × 5/2 × 5 = 105/10
  3. Likewise, for the 2nd fraction, since 5 × 2 = 10,
    1/5 = 1 × 2/5 × 2 = 2/10
  4. Add the two fractions:
    105/10 + 2/10 = 105 + 2/10 = 107/10
  5. In mixed form: 107/10

Related:

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

© everydaycalculation.com