Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 21/6 from 49/28

1st number: 1 21/28, 2nd number: 3 3/6

49/28 - 21/6 is -7/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 6 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 28 × 3 = 84,
    49/28 = 49 × 3/28 × 3 = 147/84
  3. Likewise, for the 2nd fraction, since 6 × 14 = 84,
    21/6 = 21 × 14/6 × 14 = 294/84
  4. Subtract the two like fractions:
    147/84 - 294/84 = 147 - 294/84 = -147/84
  5. After reducing the fraction, the answer is -7/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com