Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 10/70 and 20/15

1st number: 10/70, 2nd number: 1 5/15

10/70 + 20/15 is 31/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 15 is 210
  2. For the 1st fraction, since 70 × 3 = 210,
    10/70 = 10 × 3/70 × 3 = 30/210
  3. Likewise, for the 2nd fraction, since 15 × 14 = 210,
    20/15 = 20 × 14/15 × 14 = 280/210
  4. Add the two fractions:
    30/210 + 280/210 = 30 + 280/210 = 310/210
  5. After reducing the fraction, the answer is 31/21
  6. In mixed form: 110/21

Related:

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

© everydaycalculation.com