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Answers.everydaycalculation.com » Compare fractions

Compare 30/18 and 42/16

1st number: 1 12/18, 2nd number: 2 10/16

30/18 is smaller than 42/16

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 16 is 144
  2. For the 1st fraction, since 18 × 8 = 144,
    30/18 = 30 × 8/18 × 8 = 240/144
  3. Likewise, for the 2nd fraction, since 16 × 9 = 144,
    42/16 = 42 × 9/16 × 9 = 378/144
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 240/144 < 378/144 or 30/18 < 42/16

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