Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 80/49 from 30/84

1st number: 30/84, 2nd number: 1 31/49

30/84 - 80/49 is -125/98.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 49 is 588

    Next, find the equivalent fraction of both fractional numbers with denominator 588
  2. For the 1st fraction, since 84 × 7 = 588,
    30/84 = 30 × 7/84 × 7 = 210/588
  3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
    80/49 = 80 × 12/49 × 12 = 960/588
  4. Subtract the two like fractions:
    210/588 - 960/588 = 210 - 960/588 = -750/588
  5. After reducing the fraction, the answer is -125/98

MathStep (Works offline)

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

Related:

© everydaycalculation.com