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Multiply 1/9 with 21/40

This multiplication involving fractions can also be rephrased as "What is 1/9 of 21/40?"

1/9 × 21/40 is 7/120.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 1/9 × 21/40 = 1 × 21/9 × 40 = 21/360
  3. After reducing the fraction, the answer is 7/120

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