Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 20/80 from 48/54

48/54 - 20/80 is 23/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 80 is 2160

    Next, find the equivalent fraction of both fractional numbers with denominator 2160
  2. For the 1st fraction, since 54 × 40 = 2160,
    48/54 = 48 × 40/54 × 40 = 1920/2160
  3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
    20/80 = 20 × 27/80 × 27 = 540/2160
  4. Subtract the two like fractions:
    1920/2160 - 540/2160 = 1920 - 540/2160 = 1380/2160
  5. After reducing the fraction, the answer is 23/36

MathStep (Works offline)

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

Related:

© everydaycalculation.com