Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 10/42 from 6/21

6/21 - 10/42 is 1/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 42 is 42
  2. For the 1st fraction, since 21 × 2 = 42,
    6/21 = 6 × 2/21 × 2 = 12/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    10/42 = 10 × 1/42 × 1 = 10/42
  4. Subtract the two fractions:
    12/42 - 10/42 = 12 - 10/42 = 2/42
  5. After reducing the fraction, the answer is 1/21

Related:

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

© everydaycalculation.com