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Answers.everydaycalculation.com » Compare fractions

Compare 20/40 and 24/42

20/40 is smaller than 24/42

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,
    20/40 = 20 × 21/40 × 21 = 420/840
  3. Likewise, for the 2nd fraction, since 42 × 20 = 840,
    24/42 = 24 × 20/42 × 20 = 480/840
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 420/840 < 480/840 or 20/40 < 24/42

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