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Answers.everydaycalculation.com » Compare fractions

Compare 81/42 and 10/4

1st number: 1 39/42, 2nd number: 2 2/4

81/42 is smaller than 10/4

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 4 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 42 × 2 = 84,
    81/42 = 81 × 2/42 × 2 = 162/84
  3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
    10/4 = 10 × 21/4 × 21 = 210/84
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 162/84 < 210/84 or 81/42 < 10/4

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