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Multiply 30/90 with 20/21

This multiplication involving fractions can also be rephrased as "What is 30/90 of 20/21?"

30/90 × 20/21 is 20/63.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 30/90 × 20/21 = 30 × 20/90 × 21 = 600/1890
  3. After reducing the fraction, the answer is 20/63

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