Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 1/81 from 6/7

6/7 - 1/81 is 479/567.

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,
    6/7 = 6 × 81/7 × 81 = 486/567
  3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
    1/81 = 1 × 7/81 × 7 = 7/567
  4. Subtract the two like fractions:
    486/567 - 7/567 = 486 - 7/567 = 479/567

MathStep (Works offline)

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

Related:

© everydaycalculation.com