Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 9/40 from 8/5

1st number: 1 3/5, 2nd number: 9/40

8/5 - 9/40 is 11/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 40 is 40
  2. For the 1st fraction, since 5 × 8 = 40,
    8/5 = 8 × 8/5 × 8 = 64/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    9/40 = 9 × 1/40 × 1 = 9/40
  4. Subtract the two fractions:
    64/40 - 9/40 = 64 - 9/40 = 55/40
  5. After reducing the fraction, the answer is 11/8
  6. In mixed form: 13/8

Related:

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

© everydaycalculation.com