Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 1/81 from 5/84

5/84 - 1/81 is 107/2268.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 81 is 2268

    Next, find the equivalent fraction of both fractional numbers with denominator 2268
  2. For the 1st fraction, since 84 × 27 = 2268,
    5/84 = 5 × 27/84 × 27 = 135/2268
  3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
    1/81 = 1 × 28/81 × 28 = 28/2268
  4. Subtract the two like fractions:
    135/2268 - 28/2268 = 135 - 28/2268 = 107/2268

MathStep (Works offline)

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

Related:

© everydaycalculation.com