Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 70/21 and 8/30

1st number: 3 7/21, 2nd number: 8/30

70/21 + 8/30 is 18/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 30 is 210
  2. For the 1st fraction, since 21 × 10 = 210,
    70/21 = 70 × 10/21 × 10 = 700/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    8/30 = 8 × 7/30 × 7 = 56/210
  4. Add the two fractions:
    700/210 + 56/210 = 700 + 56/210 = 756/210
  5. After reducing the fraction, the answer is 18/5
  6. In mixed form: 33/5

Related:

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

© everydaycalculation.com