Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 10/15 from 8/28

8/28 - 10/15 is -8/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 15 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 28 × 15 = 420,
    8/28 = 8 × 15/28 × 15 = 120/420
  3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
    10/15 = 10 × 28/15 × 28 = 280/420
  4. Subtract the two like fractions:
    120/420 - 280/420 = 120 - 280/420 = -160/420
  5. After reducing the fraction, the answer is -8/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com