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Answers.everydaycalculation.com » Compare fractions

Compare 42/90 and 54/70

42/90 is smaller than 54/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    42/90 = 42 × 7/90 × 7 = 294/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    54/70 = 54 × 9/70 × 9 = 486/630
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 294/630 < 486/630 or 42/90 < 54/70

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