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Compare 30/42 and 2/18

30/42 is greater than 2/18

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 18 is 126
  2. For the 1st fraction, since 42 × 3 = 126,
    30/42 = 30 × 3/42 × 3 = 90/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    2/18 = 2 × 7/18 × 7 = 14/126
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 90/126 > 14/126 or 30/42 > 2/18

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