Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 63/7 from 54/40

1st number: 1 14/40, 2nd number: 9 0/7

54/40 - 63/7 is -153/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 7 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    54/40 = 54 × 7/40 × 7 = 378/280
  3. Likewise, for the 2nd fraction, since 7 × 40 = 280,
    63/7 = 63 × 40/7 × 40 = 2520/280
  4. Subtract the two like fractions:
    378/280 - 2520/280 = 378 - 2520/280 = -2142/280
  5. After reducing the fraction, the answer is -153/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com