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Answers.everydaycalculation.com » Compare fractions

Compare 7/21 and 2/27

7/21 is greater than 2/27

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 27 is 189

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 21 × 9 = 189,
    7/21 = 7 × 9/21 × 9 = 63/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    2/27 = 2 × 7/27 × 7 = 14/189
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 63/189 > 14/189 or 7/21 > 2/27

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