Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 49/48 from 40/72

1st number: 40/72, 2nd number: 1 1/48

40/72 - 49/48 is -67/144.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 48 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 72 × 2 = 144,
    40/72 = 40 × 2/72 × 2 = 80/144
  3. Likewise, for the 2nd fraction, since 48 × 3 = 144,
    49/48 = 49 × 3/48 × 3 = 147/144
  4. Subtract the two like fractions:
    80/144 - 147/144 = 80 - 147/144 = -67/144

MathStep (Works offline)

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

Related:

© everydaycalculation.com