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Multiply 40/90 with 20/45

This multiplication involving fractions can also be rephrased as "What is 40/90 of 20/45?"

40/90 × 20/45 is 16/81.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 40/90 × 20/45 = 40 × 20/90 × 45 = 800/4050
  3. After reducing the fraction, the answer is 16/81

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