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Multiply 81/20 with 45/40

1st number: 4 1/20, 2nd number: 1 5/40

This multiplication involving fractions can also be rephrased as "What is 81/20 of 1 5/40?"

81/20 × 45/40 is 729/160.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 81/20 × 45/40 = 81 × 45/20 × 40 = 3645/800
  3. After reducing the fraction, the answer is 729/160
  4. In mixed form: 489/160

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