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Multiply 18/9 with 21/90

1st number: 2 0/9, 2nd number: 21/90

This multiplication involving fractions can also be rephrased as "What is 18/9 of 21/90?"

18/9 × 21/90 is 7/15.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 18/9 × 21/90 = 18 × 21/9 × 90 = 378/810
  3. After reducing the fraction, the answer is 7/15

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