Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/20 from 1/98

1st number: 1/98, 2nd number: 3 10/20

1/98 - 70/20 is -171/49.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 20 is 980

    Next, find the equivalent fraction of both fractional numbers with denominator 980
  2. For the 1st fraction, since 98 × 10 = 980,
    1/98 = 1 × 10/98 × 10 = 10/980
  3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
    70/20 = 70 × 49/20 × 49 = 3430/980
  4. Subtract the two like fractions:
    10/980 - 3430/980 = 10 - 3430/980 = -3420/980
  5. After reducing the fraction, the answer is -171/49

MathStep (Works offline)

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

Related:

© everydaycalculation.com