Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 40/49 from 20/98

20/98 - 40/49 is -30/49.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 49 is 98

    Next, find the equivalent fraction of both fractional numbers with denominator 98
  2. For the 1st fraction, since 98 × 1 = 98,
    20/98 = 20 × 1/98 × 1 = 20/98
  3. Likewise, for the 2nd fraction, since 49 × 2 = 98,
    40/49 = 40 × 2/49 × 2 = 80/98
  4. Subtract the two like fractions:
    20/98 - 80/98 = 20 - 80/98 = -60/98
  5. After reducing the fraction, the answer is -30/49

MathStep (Works offline)

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

Related:

© everydaycalculation.com