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Answers.everydaycalculation.com » Compare fractions

Compare 60/70 and 21/81

60/70 is greater than 21/81

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,
    60/70 = 60 × 81/70 × 81 = 4860/5670
  3. Likewise, for the 2nd fraction, since 81 × 70 = 5670,
    21/81 = 21 × 70/81 × 70 = 1470/5670
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 4860/5670 > 1470/5670 or 60/70 > 21/81

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