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Multiply 21/80 with 25/40

This multiplication involving fractions can also be rephrased as "What is 21/80 of 25/40?"

21/80 × 25/40 is 21/128.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 21/80 × 25/40 = 21 × 25/80 × 40 = 525/3200
  3. After reducing the fraction, the answer is 21/128

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