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Answers.everydaycalculation.com » Compare fractions

Compare 3/20 and 2/7

3/20 is smaller than 2/7

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 7 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    3/20 = 3 × 7/20 × 7 = 21/140
  3. Likewise, for the 2nd fraction, since 7 × 20 = 140,
    2/7 = 2 × 20/7 × 20 = 40/140
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 21/140 < 40/140 or 3/20 < 2/7

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