Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 6/81 from 3/12

3/12 - 6/81 is 19/108.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 81 is 324

    Next, find the equivalent fraction of both fractional numbers with denominator 324
  2. For the 1st fraction, since 12 × 27 = 324,
    3/12 = 3 × 27/12 × 27 = 81/324
  3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
    6/81 = 6 × 4/81 × 4 = 24/324
  4. Subtract the two like fractions:
    81/324 - 24/324 = 81 - 24/324 = 57/324
  5. After reducing the fraction, the answer is 19/108

MathStep (Works offline)

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

Related:

© everydaycalculation.com