Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 12/10 and 5/21

1st number: 1 2/10, 2nd number: 5/21

12/10 + 5/21 is 151/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 21 is 210
  2. For the 1st fraction, since 10 × 21 = 210,
    12/10 = 12 × 21/10 × 21 = 252/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    5/21 = 5 × 10/21 × 10 = 50/210
  4. Add the two fractions:
    252/210 + 50/210 = 252 + 50/210 = 302/210
  5. After reducing the fraction, the answer is 151/105
  6. In mixed form: 146/105

Related:

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

© everydaycalculation.com