Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 20/36 from 12/98

12/98 - 20/36 is -191/441.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 36 is 1764

    Next, find the equivalent fraction of both fractional numbers with denominator 1764
  2. For the 1st fraction, since 98 × 18 = 1764,
    12/98 = 12 × 18/98 × 18 = 216/1764
  3. Likewise, for the 2nd fraction, since 36 × 49 = 1764,
    20/36 = 20 × 49/36 × 49 = 980/1764
  4. Subtract the two like fractions:
    216/1764 - 980/1764 = 216 - 980/1764 = -764/1764
  5. After reducing the fraction, the answer is -191/441

MathStep (Works offline)

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

Related:

© everydaycalculation.com