Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 4/20 and 9/28

4/20 + 9/28 is 73/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 28 is 140
  2. For the 1st fraction, since 20 × 7 = 140,
    4/20 = 4 × 7/20 × 7 = 28/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    9/28 = 9 × 5/28 × 5 = 45/140
  4. Add the two fractions:
    28/140 + 45/140 = 28 + 45/140 = 73/140

Related:

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

© everydaycalculation.com