Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 81/56 from 10/84

1st number: 10/84, 2nd number: 1 25/56

10/84 - 81/56 is -223/168.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 56 is 168
  2. For the 1st fraction, since 84 × 2 = 168,
    10/84 = 10 × 2/84 × 2 = 20/168
  3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
    81/56 = 81 × 3/56 × 3 = 243/168
  4. Subtract the two fractions:
    20/168 - 243/168 = 20 - 243/168 = -223/168

MathStep (Works offline)

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

Related:

© everydaycalculation.com