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Multiply 18/4 with 21/10

1st number: 4 2/4, 2nd number: 2 1/10

This multiplication involving fractions can also be rephrased as "What is 18/4 of 2 1/10?"

18/4 × 21/10 is 189/20.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 18/4 × 21/10 = 18 × 21/4 × 10 = 378/40
  3. After reducing the fraction, the answer is 189/20
  4. In mixed form: 99/20

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