Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 30/70 from 30/98

30/98 - 30/70 is -6/49.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 70 is 490
  2. For the 1st fraction, since 98 × 5 = 490,
    30/98 = 30 × 5/98 × 5 = 150/490
  3. Likewise, for the 2nd fraction, since 70 × 7 = 490,
    30/70 = 30 × 7/70 × 7 = 210/490
  4. Subtract the two fractions:
    150/490 - 210/490 = 150 - 210/490 = -60/490
  5. After reducing the fraction, the answer is -6/49

MathStep (Works offline)

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

Related:

© everydaycalculation.com