Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 27/49 from 56/21

1st number: 2 14/21, 2nd number: 27/49

56/21 - 27/49 is 311/147.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 49 is 147

    Next, find the equivalent fraction of both fractional numbers with denominator 147
  2. For the 1st fraction, since 21 × 7 = 147,
    56/21 = 56 × 7/21 × 7 = 392/147
  3. Likewise, for the 2nd fraction, since 49 × 3 = 147,
    27/49 = 27 × 3/49 × 3 = 81/147
  4. Subtract the two like fractions:
    392/147 - 81/147 = 392 - 81/147 = 311/147
  5. In mixed form: 217/147

MathStep (Works offline)

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

Related:

© everydaycalculation.com