Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 18/32 from 10/20

10/20 - 18/32 is -1/16.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 32 is 160

    Next, find the equivalent fraction of both fractional numbers with denominator 160
  2. For the 1st fraction, since 20 × 8 = 160,
    10/20 = 10 × 8/20 × 8 = 80/160
  3. Likewise, for the 2nd fraction, since 32 × 5 = 160,
    18/32 = 18 × 5/32 × 5 = 90/160
  4. Subtract the two like fractions:
    80/160 - 90/160 = 80 - 90/160 = -10/160
  5. After reducing the fraction, the answer is -1/16

MathStep (Works offline)

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

Related:

© everydaycalculation.com