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Answers.everydaycalculation.com » Compare fractions

Compare 12/56 and 42/90

12/56 is smaller than 42/90

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 90 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 56 × 45 = 2520,
    12/56 = 12 × 45/56 × 45 = 540/2520
  3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
    42/90 = 42 × 28/90 × 28 = 1176/2520
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 540/2520 < 1176/2520 or 12/56 < 42/90

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