Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 49/6 from 9/21

1st number: 9/21, 2nd number: 8 1/6

9/21 - 49/6 is -325/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 6 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 21 × 2 = 42,
    9/21 = 9 × 2/21 × 2 = 18/42
  3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
    49/6 = 49 × 7/6 × 7 = 343/42
  4. Subtract the two like fractions:
    18/42 - 343/42 = 18 - 343/42 = -325/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com