Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 84/20 from 40/14

1st number: 2 12/14, 2nd number: 4 4/20

40/14 - 84/20 is -47/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 20 is 140
  2. For the 1st fraction, since 14 × 10 = 140,
    40/14 = 40 × 10/14 × 10 = 400/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    84/20 = 84 × 7/20 × 7 = 588/140
  4. Subtract the two fractions:
    400/140 - 588/140 = 400 - 588/140 = -188/140
  5. After reducing the fraction, the answer is -47/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com