Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 40/7 from 40/27

1st number: 1 13/27, 2nd number: 5 5/7

40/27 - 40/7 is -800/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 7 is 189
  2. For the 1st fraction, since 27 × 7 = 189,
    40/27 = 40 × 7/27 × 7 = 280/189
  3. Likewise, for the 2nd fraction, since 7 × 27 = 189,
    40/7 = 40 × 27/7 × 27 = 1080/189
  4. Subtract the two fractions:
    280/189 - 1080/189 = 280 - 1080/189 = -800/189

MathStep (Works offline)

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

Related:

© everydaycalculation.com