Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 10/84 and 21/18

1st number: 10/84, 2nd number: 1 3/18

10/84 + 21/18 is 9/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 18 is 252
  2. For the 1st fraction, since 84 × 3 = 252,
    10/84 = 10 × 3/84 × 3 = 30/252
  3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
    21/18 = 21 × 14/18 × 14 = 294/252
  4. Add the two fractions:
    30/252 + 294/252 = 30 + 294/252 = 324/252
  5. After reducing the fraction, the answer is 9/7
  6. In mixed form: 12/7

Related:

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

© everydaycalculation.com