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Multiply 5/21 with 21/81

This multiplication involving fractions can also be rephrased as "What is 5/21 of 21/81?"

5/21 × 21/81 is 5/81.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 5/21 × 21/81 = 5 × 21/21 × 81 = 105/1701
  3. After reducing the fraction, the answer is 5/81

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