Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 28/20 from 4/54

1st number: 4/54, 2nd number: 1 8/20

4/54 - 28/20 is -179/135.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 54 × 10 = 540,
    4/54 = 4 × 10/54 × 10 = 40/540
  3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
    28/20 = 28 × 27/20 × 27 = 756/540
  4. Subtract the two like fractions:
    40/540 - 756/540 = 40 - 756/540 = -716/540
  5. After reducing the fraction, the answer is -179/135

MathStep (Works offline)

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

Related:

© everydaycalculation.com