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Answers.everydaycalculation.com » Compare fractions

Compare 70/80 and 25/81

70/80 is greater than 25/81

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 81 is 6480

    Next, find the equivalent fraction of both fractional numbers with denominator 6480
  2. For the 1st fraction, since 80 × 81 = 6480,
    70/80 = 70 × 81/80 × 81 = 5670/6480
  3. Likewise, for the 2nd fraction, since 81 × 80 = 6480,
    25/81 = 25 × 80/81 × 80 = 2000/6480
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 5670/6480 > 2000/6480 or 70/80 > 25/81

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