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Answers.everydaycalculation.com » Compare fractions

Compare 84/16 and 20/81

1st number: 5 4/16, 2nd number: 20/81

84/16 is greater than 20/81

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 81 is 1296

    Next, find the equivalent fraction of both fractional numbers with denominator 1296
  2. For the 1st fraction, since 16 × 81 = 1296,
    84/16 = 84 × 81/16 × 81 = 6804/1296
  3. Likewise, for the 2nd fraction, since 81 × 16 = 1296,
    20/81 = 20 × 16/81 × 16 = 320/1296
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 6804/1296 > 320/1296 or 84/16 > 20/81

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