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Answers.everydaycalculation.com » Compare fractions

Compare 70/81 and 15/30

70/81 is greater than 15/30

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 30 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 30 × 27 = 810,
    15/30 = 15 × 27/30 × 27 = 405/810
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 700/810 > 405/810 or 70/81 > 15/30

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