Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 40/21 from 10/3

1st number: 3 1/3, 2nd number: 1 19/21

10/3 - 40/21 is 10/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 21 is 21
  2. For the 1st fraction, since 3 × 7 = 21,
    10/3 = 10 × 7/3 × 7 = 70/21
  3. Likewise, for the 2nd fraction, since 21 × 1 = 21,
    40/21 = 40 × 1/21 × 1 = 40/21
  4. Subtract the two fractions:
    70/21 - 40/21 = 70 - 40/21 = 30/21
  5. After reducing the fraction, the answer is 10/7
  6. In mixed form: 13/7

Related:

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

© everydaycalculation.com