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Multiply 4/9 with 21/90

This multiplication involving fractions can also be rephrased as "What is 4/9 of 21/90?"

4/9 × 21/90 is 14/135.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 4/9 × 21/90 = 4 × 21/9 × 90 = 84/810
  3. After reducing the fraction, the answer is 14/135

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