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Answers.everydaycalculation.com » Compare fractions

Compare 70/81 and 3/90

70/81 is greater than 3/90

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 90 is 810

    Next, find the equivalent fraction of both fractional numbers with denominator 810
  2. For the 1st fraction, since 81 × 10 = 810,
    70/81 = 70 × 10/81 × 10 = 700/810
  3. Likewise, for the 2nd fraction, since 90 × 9 = 810,
    3/90 = 3 × 9/90 × 9 = 27/810
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 700/810 > 27/810 or 70/81 > 3/90

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