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Answers.everydaycalculation.com » Compare fractions

Compare 18/90 and 49/40

1st number: 18/90, 2nd number: 1 9/40

18/90 is smaller than 49/40

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 90 × 4 = 360,
    18/90 = 18 × 4/90 × 4 = 72/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    49/40 = 49 × 9/40 × 9 = 441/360
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 72/360 < 441/360 or 18/90 < 49/40

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