Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 1/21 from 27/48

27/48 - 1/21 is 173/336.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 21 is 336

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 48 × 7 = 336,
    27/48 = 27 × 7/48 × 7 = 189/336
  3. Likewise, for the 2nd fraction, since 21 × 16 = 336,
    1/21 = 1 × 16/21 × 16 = 16/336
  4. Subtract the two like fractions:
    189/336 - 16/336 = 189 - 16/336 = 173/336

MathStep (Works offline)

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

Related:

© everydaycalculation.com