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Answers.everydaycalculation.com » Compare fractions

Compare 8/40 and 54/21

1st number: 8/40, 2nd number: 2 12/21

8/40 is smaller than 54/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 21 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 40 × 21 = 840,
    8/40 = 8 × 21/40 × 21 = 168/840
  3. Likewise, for the 2nd fraction, since 21 × 40 = 840,
    54/21 = 54 × 40/21 × 40 = 2160/840
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 168/840 < 2160/840 or 8/40 < 54/21

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