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Answers.everydaycalculation.com » Compare fractions

Compare 45/42 and 81/60

1st number: 1 3/42, 2nd number: 1 21/60

45/42 is smaller than 81/60

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 60 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 42 × 10 = 420,
    45/42 = 45 × 10/42 × 10 = 450/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    81/60 = 81 × 7/60 × 7 = 567/420
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 450/420 < 567/420 or 45/42 < 81/60

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