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Answers.everydaycalculation.com » Compare fractions

Compare 7/42 and 30/12

1st number: 7/42, 2nd number: 2 6/12

7/42 is smaller than 30/12

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 12 is 84
  2. For the 1st fraction, since 42 × 2 = 84,
    7/42 = 7 × 2/42 × 2 = 14/84
  3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
    30/12 = 30 × 7/12 × 7 = 210/84
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 14/84 < 210/84 or 7/42 < 30/12

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