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Multiply 21/7 with 45/80

1st number: 3 0/7, 2nd number: 45/80

This multiplication involving fractions can also be rephrased as "What is 21/7 of 45/80?"

21/7 × 45/80 is 27/16.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 21/7 × 45/80 = 21 × 45/7 × 80 = 945/560
  3. After reducing the fraction, the answer is 27/16
  4. In mixed form: 111/16

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