Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 20/5 and 3/7

1st number: 4 0/5, 2nd number: 3/7

20/5 + 3/7 is 31/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 7 is 35
  2. For the 1st fraction, since 5 × 7 = 35,
    20/5 = 20 × 7/5 × 7 = 140/35
  3. Likewise, for the 2nd fraction, since 7 × 5 = 35,
    3/7 = 3 × 5/7 × 5 = 15/35
  4. Add the two fractions:
    140/35 + 15/35 = 140 + 15/35 = 155/35
  5. After reducing the fraction, the answer is 31/7
  6. In mixed form: 43/7

Related:

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

© everydaycalculation.com