Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 42/54 from 54/40

1st number: 1 14/40, 2nd number: 42/54

54/40 - 42/54 is 103/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 54 is 1080

    Next, find the equivalent fraction of both fractional numbers with denominator 1080
  2. For the 1st fraction, since 40 × 27 = 1080,
    54/40 = 54 × 27/40 × 27 = 1458/1080
  3. Likewise, for the 2nd fraction, since 54 × 20 = 1080,
    42/54 = 42 × 20/54 × 20 = 840/1080
  4. Subtract the two like fractions:
    1458/1080 - 840/1080 = 1458 - 840/1080 = 618/1080
  5. After reducing the fraction, the answer is 103/180

MathStep (Works offline)

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

Related:

© everydaycalculation.com