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Answers.everydaycalculation.com » Compare fractions

Compare 7/42 and 30/54

7/42 is smaller than 30/54

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 54 is 378
  2. For the 1st fraction, since 42 × 9 = 378,
    7/42 = 7 × 9/42 × 9 = 63/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    30/54 = 30 × 7/54 × 7 = 210/378
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 63/378 < 210/378 or 7/42 < 30/54

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