Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 56/5 from 5/81

1st number: 5/81, 2nd number: 11 1/5

5/81 - 56/5 is -4511/405.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 5 is 405

    Next, find the equivalent fraction of both fractional numbers with denominator 405
  2. For the 1st fraction, since 81 × 5 = 405,
    5/81 = 5 × 5/81 × 5 = 25/405
  3. Likewise, for the 2nd fraction, since 5 × 81 = 405,
    56/5 = 56 × 81/5 × 81 = 4536/405
  4. Subtract the two like fractions:
    25/405 - 4536/405 = 25 - 4536/405 = -4511/405

MathStep (Works offline)

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

Related:

© everydaycalculation.com