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Multiply 21/80 with 1/63

This multiplication involving fractions can also be rephrased as "What is 21/80 of 1/63?"

21/80 × 1/63 is 1/240.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 21/80 × 1/63 = 21 × 1/80 × 63 = 21/5040
  3. After reducing the fraction, the answer is 1/240

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