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Multiply 15/90 with 1/21

This multiplication involving fractions can also be rephrased as "What is 15/90 of 1/21?"

15/90 × 1/21 is 1/126.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 15/90 × 1/21 = 15 × 1/90 × 21 = 15/1890
  3. After reducing the fraction, the answer is 1/126

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