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Answers.everydaycalculation.com » Compare fractions

Compare 9/45 and 4/81

9/45 is greater than 4/81

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 81 is 405

    Next, find the equivalent fraction of both fractional numbers with denominator 405
  2. For the 1st fraction, since 45 × 9 = 405,
    9/45 = 9 × 9/45 × 9 = 81/405
  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. 81/405 > 20/405 or 9/45 > 4/81

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