Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 24/81 from 45/15

1st number: 3 0/15, 2nd number: 24/81

45/15 - 24/81 is 73/27.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 81 is 405

    Next, find the equivalent fraction of both fractional numbers with denominator 405
  2. For the 1st fraction, since 15 × 27 = 405,
    45/15 = 45 × 27/15 × 27 = 1215/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    24/81 = 24 × 5/81 × 5 = 120/405
  4. Subtract the two like fractions:
    1215/405 - 120/405 = 1215 - 120/405 = 1095/405
  5. After reducing the fraction, the answer is 73/27
  6. In mixed form: 219/27

MathStep (Works offline)

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

Related:

© everydaycalculation.com