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Multiply 9/72 with 21/70

This multiplication involving fractions can also be rephrased as "What is 9/72 of 21/70?"

9/72 × 21/70 is 3/80.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 9/72 × 21/70 = 9 × 21/72 × 70 = 189/5040
  3. After reducing the fraction, the answer is 3/80

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