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Answers.everydaycalculation.com » Compare fractions

Compare 12/8 and 30/18

1st number: 1 4/8, 2nd number: 1 12/18

12/8 is smaller than 30/18

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 18 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    12/8 = 12 × 9/8 × 9 = 108/72
  3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
    30/18 = 30 × 4/18 × 4 = 120/72
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 108/72 < 120/72 or 12/8 < 30/18

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