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Multiply 15/4 with 28/21

1st number: 3 3/4, 2nd number: 1 7/21

This multiplication involving fractions can also be rephrased as "What is 15/4 of 1 7/21?"

15/4 × 28/21 is 5/1.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 15/4 × 28/21 = 15 × 28/4 × 21 = 420/84
  3. After reducing the fraction, the answer is 5/1

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