Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 9/21 and 21/35

9/21 + 21/35 is 36/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 35 is 105
  2. For the 1st fraction, since 21 × 5 = 105,
    9/21 = 9 × 5/21 × 5 = 45/105
  3. Likewise, for the 2nd fraction, since 35 × 3 = 105,
    21/35 = 21 × 3/35 × 3 = 63/105
  4. Add the two fractions:
    45/105 + 63/105 = 45 + 63/105 = 108/105
  5. After reducing the fraction, the answer is 36/35
  6. In mixed form: 11/35

Related:

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

© everydaycalculation.com