Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 49/32 from 40/72

1st number: 40/72, 2nd number: 1 17/32

40/72 - 49/32 is -281/288.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 32 is 288

    Next, find the equivalent fraction of both fractional numbers with denominator 288
  2. For the 1st fraction, since 72 × 4 = 288,
    40/72 = 40 × 4/72 × 4 = 160/288
  3. Likewise, for the 2nd fraction, since 32 × 9 = 288,
    49/32 = 49 × 9/32 × 9 = 441/288
  4. Subtract the two like fractions:
    160/288 - 441/288 = 160 - 441/288 = -281/288

MathStep (Works offline)

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

Related:

© everydaycalculation.com