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Answers.everydaycalculation.com » Compare fractions

Compare 8/20 and 75/42

1st number: 8/20, 2nd number: 1 33/42

8/20 is smaller than 75/42

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 42 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 20 × 21 = 420,
    8/20 = 8 × 21/20 × 21 = 168/420
  3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
    75/42 = 75 × 10/42 × 10 = 750/420
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 168/420 < 750/420 or 8/20 < 75/42

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