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Multiply 21/40 with 25/80

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

21/40 × 25/80 is 21/128.

Steps for multiplying fractions

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

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