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Multiply 21/30 with 12/40

This multiplication involving fractions can also be rephrased as "What is 21/30 of 12/40?"

21/30 × 12/40 is 21/100.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 21/30 × 12/40 = 21 × 12/30 × 40 = 252/1200
  3. After reducing the fraction, the answer is 21/100

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