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Answers.everydaycalculation.com » Compare fractions

Compare 3/15 and 3/7

3/15 is smaller than 3/7

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 7 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 15 × 7 = 105,
    3/15 = 3 × 7/15 × 7 = 21/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    3/7 = 3 × 15/7 × 15 = 45/105
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 21/105 < 45/105 or 3/15 < 3/7

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