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Answers.everydaycalculation.com » Compare fractions

Compare 9/30 and 4/81

9/30 is greater than 4/81

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 81 is 810

    Next, find the equivalent fraction of both fractional numbers with denominator 810
  2. For the 1st fraction, since 30 × 27 = 810,
    9/30 = 9 × 27/30 × 27 = 243/810
  3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
    4/81 = 4 × 10/81 × 10 = 40/810
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 243/810 > 40/810 or 9/30 > 4/81

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