Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 90/63 from 8/54

1st number: 8/54, 2nd number: 1 27/63

8/54 - 90/63 is -242/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 63 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    8/54 = 8 × 7/54 × 7 = 56/378
  3. Likewise, for the 2nd fraction, since 63 × 6 = 378,
    90/63 = 90 × 6/63 × 6 = 540/378
  4. Subtract the two like fractions:
    56/378 - 540/378 = 56 - 540/378 = -484/378
  5. After reducing the fraction, the answer is -242/189

MathStep (Works offline)

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

Related:

© everydaycalculation.com