Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/98 from 9/70

9/70 - 70/98 is -41/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 98 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 70 × 7 = 490,
    9/70 = 9 × 7/70 × 7 = 63/490
  3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
    70/98 = 70 × 5/98 × 5 = 350/490
  4. Subtract the two like fractions:
    63/490 - 350/490 = 63 - 350/490 = -287/490
  5. After reducing the fraction, the answer is -41/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com