Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 40/7 from 40/54

1st number: 40/54, 2nd number: 5 5/7

40/54 - 40/7 is -940/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 7 is 378
  2. For the 1st fraction, since 54 × 7 = 378,
    40/54 = 40 × 7/54 × 7 = 280/378
  3. Likewise, for the 2nd fraction, since 7 × 54 = 378,
    40/7 = 40 × 54/7 × 54 = 2160/378
  4. Subtract the two fractions:
    280/378 - 2160/378 = 280 - 2160/378 = -1880/378
  5. After reducing the fraction, the answer is -940/189

MathStep (Works offline)

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

Related:

© everydaycalculation.com