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Answers.everydaycalculation.com » Compare fractions

Compare 3/40 and 18/70

3/40 is smaller than 18/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 70 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    3/40 = 3 × 7/40 × 7 = 21/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    18/70 = 18 × 4/70 × 4 = 72/280
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 21/280 < 72/280 or 3/40 < 18/70

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