Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 49/27 from 81/40

1st number: 2 1/40, 2nd number: 1 22/27

81/40 - 49/27 is 227/1080.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 27 is 1080

    Next, find the equivalent fraction of both fractional numbers with denominator 1080
  2. For the 1st fraction, since 40 × 27 = 1080,
    81/40 = 81 × 27/40 × 27 = 2187/1080
  3. Likewise, for the 2nd fraction, since 27 × 40 = 1080,
    49/27 = 49 × 40/27 × 40 = 1960/1080
  4. Subtract the two like fractions:
    2187/1080 - 1960/1080 = 2187 - 1960/1080 = 227/1080

MathStep (Works offline)

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

Related:

© everydaycalculation.com