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Answers.everydaycalculation.com » Compare fractions

Compare 40/36 and 12/21

1st number: 1 4/36, 2nd number: 12/21

40/36 is greater than 12/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 21 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 36 × 7 = 252,
    40/36 = 40 × 7/36 × 7 = 280/252
  3. Likewise, for the 2nd fraction, since 21 × 12 = 252,
    12/21 = 12 × 12/21 × 12 = 144/252
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 280/252 > 144/252 or 40/36 > 12/21

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