Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 20/36 from 1/2

1/2 - 20/36 is -1/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 36 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 2 × 18 = 36,
    1/2 = 1 × 18/2 × 18 = 18/36
  3. Likewise, for the 2nd fraction, since 36 × 1 = 36,
    20/36 = 20 × 1/36 × 1 = 20/36
  4. Subtract the two like fractions:
    18/36 - 20/36 = 18 - 20/36 = -2/36
  5. After reducing the fraction, the answer is -1/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com