Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 8/4 and 9/21

1st number: 2 0/4, 2nd number: 9/21

8/4 + 9/21 is 17/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 21 is 84
  2. For the 1st fraction, since 4 × 21 = 84,
    8/4 = 8 × 21/4 × 21 = 168/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    9/21 = 9 × 4/21 × 4 = 36/84
  4. Add the two fractions:
    168/84 + 36/84 = 168 + 36/84 = 204/84
  5. After reducing the fraction, the answer is 17/7
  6. In mixed form: 23/7

Related:

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

© everydaycalculation.com