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Answers.everydaycalculation.com » Compare fractions

Compare 90/12 and 72/90

1st number: 7 6/12, 2nd number: 72/90

90/12 is greater than 72/90

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 12 × 15 = 180,
    90/12 = 90 × 15/12 × 15 = 1350/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    72/90 = 72 × 2/90 × 2 = 144/180
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 1350/180 > 144/180 or 90/12 > 72/90

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