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Multiply 9/21 with 42/63

This multiplication involving fractions can also be rephrased as "What is 9/21 of 42/63?"

9/21 × 42/63 is 2/7.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 9/21 × 42/63 = 9 × 42/21 × 63 = 378/1323
  3. After reducing the fraction, the answer is 2/7

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