Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 5/81 from 30/7

1st number: 4 2/7, 2nd number: 5/81

30/7 - 5/81 is 2395/567.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 81 is 567
  2. For the 1st fraction, since 7 × 81 = 567,
    30/7 = 30 × 81/7 × 81 = 2430/567
  3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
    5/81 = 5 × 7/81 × 7 = 35/567
  4. Subtract the two fractions:
    2430/567 - 35/567 = 2430 - 35/567 = 2395/567
  5. In mixed form: 4127/567

Related:

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

© everydaycalculation.com