Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 12/90 from 20/98

20/98 - 12/90 is 52/735.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 90 is 4410

    Next, find the equivalent fraction of both fractional numbers with denominator 4410
  2. For the 1st fraction, since 98 × 45 = 4410,
    20/98 = 20 × 45/98 × 45 = 900/4410
  3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
    12/90 = 12 × 49/90 × 49 = 588/4410
  4. Subtract the two like fractions:
    900/4410 - 588/4410 = 900 - 588/4410 = 312/4410
  5. After reducing the fraction, the answer is 52/735

MathStep (Works offline)

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

Related:

© everydaycalculation.com