Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 10/98 from 81/42

1st number: 1 39/42, 2nd number: 10/98

81/42 - 10/98 is 179/98.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 98 is 294

    Next, find the equivalent fraction of both fractional numbers with denominator 294
  2. For the 1st fraction, since 42 × 7 = 294,
    81/42 = 81 × 7/42 × 7 = 567/294
  3. Likewise, for the 2nd fraction, since 98 × 3 = 294,
    10/98 = 10 × 3/98 × 3 = 30/294
  4. Subtract the two like fractions:
    567/294 - 30/294 = 567 - 30/294 = 537/294
  5. After reducing the fraction, the answer is 179/98
  6. In mixed form: 181/98

MathStep (Works offline)

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

Related:

© everydaycalculation.com