Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 8/10 from 1/28

1/28 - 8/10 is -107/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 10 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    1/28 = 1 × 5/28 × 5 = 5/140
  3. Likewise, for the 2nd fraction, since 10 × 14 = 140,
    8/10 = 8 × 14/10 × 14 = 112/140
  4. Subtract the two like fractions:
    5/140 - 112/140 = 5 - 112/140 = -107/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com