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Answers.everydaycalculation.com » Compare fractions

Compare 63/90 and 81/28

1st number: 63/90, 2nd number: 2 25/28

63/90 is smaller than 81/28

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 28 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 90 × 14 = 1260,
    63/90 = 63 × 14/90 × 14 = 882/1260
  3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
    81/28 = 81 × 45/28 × 45 = 3645/1260
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 882/1260 < 3645/1260 or 63/90 < 81/28

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