Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 50/54 from 81/12

1st number: 6 9/12, 2nd number: 50/54

81/12 - 50/54 is 629/108.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 54 is 108

    Next, find the equivalent fraction of both fractional numbers with denominator 108
  2. For the 1st fraction, since 12 × 9 = 108,
    81/12 = 81 × 9/12 × 9 = 729/108
  3. Likewise, for the 2nd fraction, since 54 × 2 = 108,
    50/54 = 50 × 2/54 × 2 = 100/108
  4. Subtract the two like fractions:
    729/108 - 100/108 = 729 - 100/108 = 629/108
  5. In mixed form: 589/108

MathStep (Works offline)

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

Related:

© everydaycalculation.com