Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 81/24 from 10/84

1st number: 10/84, 2nd number: 3 9/24

10/84 - 81/24 is -547/168.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 24 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 24 × 7 = 168,
    81/24 = 81 × 7/24 × 7 = 567/168
  4. Subtract the two fractions:
    20/168 - 567/168 = 20 - 567/168 = -547/168

MathStep (Works offline)

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

Related:

© everydaycalculation.com