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Answers.everydaycalculation.com » Compare fractions

Compare 5/70 and 45/81

5/70 is smaller than 45/81

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 81 is 5670

    Next, find the equivalent fraction of both fractional numbers with denominator 5670
  2. For the 1st fraction, since 70 × 81 = 5670,
    5/70 = 5 × 81/70 × 81 = 405/5670
  3. Likewise, for the 2nd fraction, since 81 × 70 = 5670,
    45/81 = 45 × 70/81 × 70 = 3150/5670
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 405/5670 < 3150/5670 or 5/70 < 45/81

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