Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 10/54 from 12/20

12/20 - 10/54 is 56/135.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 54 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 20 × 27 = 540,
    12/20 = 12 × 27/20 × 27 = 324/540
  3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
    10/54 = 10 × 10/54 × 10 = 100/540
  4. Subtract the two like fractions:
    324/540 - 100/540 = 324 - 100/540 = 224/540
  5. After reducing the fraction, the answer is 56/135

MathStep (Works offline)

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

Related:

© everydaycalculation.com