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Answers.everydaycalculation.com » Compare fractions

Compare 70/40 and 25/81

1st number: 1 30/40, 2nd number: 25/81

70/40 is greater than 25/81

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 81 is 3240

    Next, find the equivalent fraction of both fractional numbers with denominator 3240
  2. For the 1st fraction, since 40 × 81 = 3240,
    70/40 = 70 × 81/40 × 81 = 5670/3240
  3. Likewise, for the 2nd fraction, since 81 × 40 = 3240,
    25/81 = 25 × 40/81 × 40 = 1000/3240
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 5670/3240 > 1000/3240 or 70/40 > 25/81

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