Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 20/54 from 75/12

1st number: 6 3/12, 2nd number: 20/54

75/12 - 20/54 is 635/108.

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,
    75/12 = 75 × 9/12 × 9 = 675/108
  3. Likewise, for the 2nd fraction, since 54 × 2 = 108,
    20/54 = 20 × 2/54 × 2 = 40/108
  4. Subtract the two like fractions:
    675/108 - 40/108 = 675 - 40/108 = 635/108
  5. In mixed form: 595/108

MathStep (Works offline)

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

Related:

© everydaycalculation.com