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Answers.everydaycalculation.com » Compare fractions

Compare 45/81 and 81/7

1st number: 45/81, 2nd number: 11 4/7

45/81 is smaller than 81/7

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 7 is 567

    Next, find the equivalent fraction of both fractional numbers with denominator 567
  2. For the 1st fraction, since 81 × 7 = 567,
    45/81 = 45 × 7/81 × 7 = 315/567
  3. Likewise, for the 2nd fraction, since 7 × 81 = 567,
    81/7 = 81 × 81/7 × 81 = 6561/567
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 315/567 < 6561/567 or 45/81 < 81/7

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