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Answers.everydaycalculation.com » Compare fractions

Compare 1/40 and 25/42

1/40 is smaller than 25/42

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 42 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 40 × 21 = 840,
    1/40 = 1 × 21/40 × 21 = 21/840
  3. Likewise, for the 2nd fraction, since 42 × 20 = 840,
    25/42 = 25 × 20/42 × 20 = 500/840
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 21/840 < 500/840 or 1/40 < 25/42

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