Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 4/5 from 12/20

12/20 - 4/5 is -1/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 5 is 20
  2. For the 1st fraction, since 20 × 1 = 20,
    12/20 = 12 × 1/20 × 1 = 12/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    4/5 = 4 × 4/5 × 4 = 16/20
  4. Subtract the two fractions:
    12/20 - 16/20 = 12 - 16/20 = -4/20
  5. After reducing the fraction, the answer is -1/5

Related:

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

© everydaycalculation.com