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Multiply 21/4 with 1/80

1st number: 5 1/4, 2nd number: 1/80

This multiplication involving fractions can also be rephrased as "What is 21/4 of 1/80?"

21/4 × 1/80 is 21/320.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 21/4 × 1/80 = 21 × 1/4 × 80 = 21/320

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