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Answers.everydaycalculation.com » Compare fractions

Compare 72/6 and 81/40

1st number: 12 0/6, 2nd number: 2 1/40

72/6 is greater than 81/40

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 6 × 20 = 120,
    72/6 = 72 × 20/6 × 20 = 1440/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    81/40 = 81 × 3/40 × 3 = 243/120
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 1440/120 > 243/120 or 72/6 > 81/40

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