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Answers.everydaycalculation.com » Compare fractions

Compare 20/27 and 40/90

20/27 is greater than 40/90

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 90 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 27 × 10 = 270,
    20/27 = 20 × 10/27 × 10 = 200/270
  3. Likewise, for the 2nd fraction, since 90 × 3 = 270,
    40/90 = 40 × 3/90 × 3 = 120/270
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 200/270 > 120/270 or 20/27 > 40/90

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