Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 7/20 from 40/27

1st number: 1 13/27, 2nd number: 7/20

40/27 - 7/20 is 611/540.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 20 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 27 × 20 = 540,
    40/27 = 40 × 20/27 × 20 = 800/540
  3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
    7/20 = 7 × 27/20 × 27 = 189/540
  4. Subtract the two like fractions:
    800/540 - 189/540 = 800 - 189/540 = 611/540
  5. In mixed form: 171/540

MathStep (Works offline)

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

Related:

© everydaycalculation.com