Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 8/21 from 49/15

1st number: 3 4/15, 2nd number: 8/21

49/15 - 8/21 is 101/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 21 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 15 × 7 = 105,
    49/15 = 49 × 7/15 × 7 = 343/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    8/21 = 8 × 5/21 × 5 = 40/105
  4. Subtract the two like fractions:
    343/105 - 40/105 = 343 - 40/105 = 303/105
  5. After reducing the fraction, the answer is 101/35
  6. In mixed form: 231/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com