Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 80/81 from 14/80

14/80 - 80/81 is -2633/3240.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 81 is 6480

    Next, find the equivalent fraction of both fractional numbers with denominator 6480
  2. For the 1st fraction, since 80 × 81 = 6480,
    14/80 = 14 × 81/80 × 81 = 1134/6480
  3. Likewise, for the 2nd fraction, since 81 × 80 = 6480,
    80/81 = 80 × 80/81 × 80 = 6400/6480
  4. Subtract the two like fractions:
    1134/6480 - 6400/6480 = 1134 - 6400/6480 = -5266/6480
  5. After reducing the fraction, the answer is -2633/3240

MathStep (Works offline)

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

Related:

© everydaycalculation.com