Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 27/3 and 21/7

1st number: 9 0/3, 2nd number: 3 0/7

27/3 + 21/7 is 12/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 7 is 21
  2. For the 1st fraction, since 3 × 7 = 21,
    27/3 = 27 × 7/3 × 7 = 189/21
  3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
    21/7 = 21 × 3/7 × 3 = 63/21
  4. Add the two fractions:
    189/21 + 63/21 = 189 + 63/21 = 252/21
  5. After reducing the fraction, the answer is 12/1

Related:

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

© everydaycalculation.com