Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 1/20 from 40/7

1st number: 5 5/7, 2nd number: 1/20

40/7 - 1/20 is 793/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 20 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 7 × 20 = 140,
    40/7 = 40 × 20/7 × 20 = 800/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    1/20 = 1 × 7/20 × 7 = 7/140
  4. Subtract the two like fractions:
    800/140 - 7/140 = 800 - 7/140 = 793/140
  5. In mixed form: 593/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com