Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 10/5 and 4/81

1st number: 2 0/5, 2nd number: 4/81

10/5 is greater than 4/81

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 81 is 405

    Next, find the equivalent fraction of both fractional numbers with denominator 405
  2. For the 1st fraction, since 5 × 81 = 405,
    10/5 = 10 × 81/5 × 81 = 810/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    4/81 = 4 × 5/81 × 5 = 20/405
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 810/405 > 20/405 or 10/5 > 4/81

MathStep (Works offline)

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

Related:

© everydaycalculation.com