Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 10/81 from 75/7

1st number: 10 5/7, 2nd number: 10/81

75/7 - 10/81 is 6005/567.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 81 is 567

    Next, find the equivalent fraction of both fractional numbers with denominator 567
  2. For the 1st fraction, since 7 × 81 = 567,
    75/7 = 75 × 81/7 × 81 = 6075/567
  3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
    10/81 = 10 × 7/81 × 7 = 70/567
  4. Subtract the two like fractions:
    6075/567 - 70/567 = 6075 - 70/567 = 6005/567
  5. In mixed form: 10335/567

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com