Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 40/45 from 63/75

63/75 - 40/45 is -11/225.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 45 is 225

    Next, find the equivalent fraction of both fractional numbers with denominator 225
  2. For the 1st fraction, since 75 × 3 = 225,
    63/75 = 63 × 3/75 × 3 = 189/225
  3. Likewise, for the 2nd fraction, since 45 × 5 = 225,
    40/45 = 40 × 5/45 × 5 = 200/225
  4. Subtract the two like fractions:
    189/225 - 200/225 = 189 - 200/225 = -11/225

MathStep (Works offline)

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

Related:

© everydaycalculation.com