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Multiply 45/4 with 81/21

1st number: 11 1/4, 2nd number: 3 18/21

This multiplication involving fractions can also be rephrased as "What is 45/4 of 3 18/21?"

45/4 × 81/21 is 1215/28.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 45/4 × 81/21 = 45 × 81/4 × 21 = 3645/84
  3. After reducing the fraction, the answer is 1215/28
  4. In mixed form: 4311/28

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