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Answers.everydaycalculation.com » Compare fractions

Compare 36/90 and 40/80

36/90 is smaller than 40/80

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 90 × 8 = 720,
    36/90 = 36 × 8/90 × 8 = 288/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    40/80 = 40 × 9/80 × 9 = 360/720
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 288/720 < 360/720 or 36/90 < 40/80

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