Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 54/63 from 63/75

63/75 - 54/63 is -3/175.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 63 is 1575
  2. For the 1st fraction, since 75 × 21 = 1575,
    63/75 = 63 × 21/75 × 21 = 1323/1575
  3. Likewise, for the 2nd fraction, since 63 × 25 = 1575,
    54/63 = 54 × 25/63 × 25 = 1350/1575
  4. Subtract the two fractions:
    1323/1575 - 1350/1575 = 1323 - 1350/1575 = -27/1575
  5. After reducing the fraction, the answer is -3/175

MathStep (Works offline)

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

Related:

© everydaycalculation.com