Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 5/80 and 3/81

5/80 is greater than 3/81

Steps for comparing 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,
    5/80 = 5 × 81/80 × 81 = 405/6480
  3. Likewise, for the 2nd fraction, since 81 × 80 = 6480,
    3/81 = 3 × 80/81 × 80 = 240/6480
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 405/6480 > 240/6480 or 5/80 > 3/81

MathStep (Works offline)

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

Related:

© everydaycalculation.com