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Multiply 42/10 with 63/21

1st number: 4 2/10, 2nd number: 3 0/21

This multiplication involving fractions can also be rephrased as "What is 42/10 of 3 0/21?"

42/10 × 63/21 is 63/5.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 42/10 × 63/21 = 42 × 63/10 × 21 = 2646/210
  3. After reducing the fraction, the answer is 63/5
  4. In mixed form: 123/5

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