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Answers.everydaycalculation.com » Compare fractions

Compare 18/20 and 40/27

1st number: 18/20, 2nd number: 1 13/27

18/20 is smaller than 40/27

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 27 is 540
  2. For the 1st fraction, since 20 × 27 = 540,
    18/20 = 18 × 27/20 × 27 = 486/540
  3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
    40/27 = 40 × 20/27 × 20 = 800/540
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 486/540 < 800/540 or 18/20 < 40/27

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