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Answers.everydaycalculation.com » Compare fractions

Compare 1/42 and 1/30

1/42 is smaller than 1/30

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    1/42 = 1 × 5/42 × 5 = 5/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    1/30 = 1 × 7/30 × 7 = 7/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 5/210 < 7/210 or 1/42 < 1/30

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