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Answers.everydaycalculation.com » Compare fractions

Compare 90/8 and 81/30

1st number: 11 2/8, 2nd number: 2 21/30

90/8 is greater than 81/30

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 30 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 8 × 15 = 120,
    90/8 = 90 × 15/8 × 15 = 1350/120
  3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
    81/30 = 81 × 4/30 × 4 = 324/120
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 1350/120 > 324/120 or 90/8 > 81/30

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