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Answers.everydaycalculation.com » Compare fractions

Compare 81/45 and 20/16

1st number: 1 36/45, 2nd number: 1 4/16

81/45 is greater than 20/16

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 16 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 45 × 16 = 720,
    81/45 = 81 × 16/45 × 16 = 1296/720
  3. Likewise, for the 2nd fraction, since 16 × 45 = 720,
    20/16 = 20 × 45/16 × 45 = 900/720
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 1296/720 > 900/720 or 81/45 > 20/16

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