Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 3/54 from 42/63

42/63 - 3/54 is 11/18.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 63 × 6 = 378,
    42/63 = 42 × 6/63 × 6 = 252/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    3/54 = 3 × 7/54 × 7 = 21/378
  4. Subtract the two like fractions:
    252/378 - 21/378 = 252 - 21/378 = 231/378
  5. After reducing the fraction, the answer is 11/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com