Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 81/80 from 10/24

1st number: 10/24, 2nd number: 1 1/80

10/24 - 81/80 is -143/240.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 24 × 10 = 240,
    10/24 = 10 × 10/24 × 10 = 100/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    81/80 = 81 × 3/80 × 3 = 243/240
  4. Subtract the two like fractions:
    100/240 - 243/240 = 100 - 243/240 = -143/240

MathStep (Works offline)

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

Related:

© everydaycalculation.com