Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 5/27 from 15/84

15/84 - 5/27 is -5/756.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 27 is 756

    Next, find the equivalent fraction of both fractional numbers with denominator 756
  2. For the 1st fraction, since 84 × 9 = 756,
    15/84 = 15 × 9/84 × 9 = 135/756
  3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
    5/27 = 5 × 28/27 × 28 = 140/756
  4. Subtract the two like fractions:
    135/756 - 140/756 = 135 - 140/756 = -5/756

MathStep (Works offline)

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

Related:

© everydaycalculation.com