Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 6/21 from 49/18

1st number: 2 13/18, 2nd number: 6/21

49/18 - 6/21 is 307/126.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 21 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    49/18 = 49 × 7/18 × 7 = 343/126
  3. Likewise, for the 2nd fraction, since 21 × 6 = 126,
    6/21 = 6 × 6/21 × 6 = 36/126
  4. Subtract the two like fractions:
    343/126 - 36/126 = 343 - 36/126 = 307/126
  5. In mixed form: 255/126

MathStep (Works offline)

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

Related:

© everydaycalculation.com