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Multiply 84/21 with 90/81

1st number: 4 0/21, 2nd number: 1 9/81

This multiplication involving fractions can also be rephrased as "What is 84/21 of 1 9/81?"

84/21 × 90/81 is 40/9.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 84/21 × 90/81 = 84 × 90/21 × 81 = 7560/1701
  3. After reducing the fraction, the answer is 40/9
  4. In mixed form: 44/9

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