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Multiply 12/21 with 9/12

This multiplication involving fractions can also be rephrased as "What is 12/21 of 9/12?"

12/21 × 9/12 is 3/7.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 12/21 × 9/12 = 12 × 9/21 × 12 = 108/252
  3. After reducing the fraction, the answer is 3/7

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