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Multiply 18/90 with 21/70

This multiplication involving fractions can also be rephrased as "What is 18/90 of 21/70?"

18/90 × 21/70 is 3/50.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 18/90 × 21/70 = 18 × 21/90 × 70 = 378/6300
  3. After reducing the fraction, the answer is 3/50

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