Answers

Multiply 20/42 with 81/21

1^st number: 20/42, 2^nd number: 3 18/21

This multiplication involving fractions can also be rephrased as "What is 20/42 of 3 18/21?"

20/42 × 81/21 is 90/49.

Steps for multiplying fractions

1. Simply multiply the numerators and denominators separately:
2. 20/42 × 81/21 = 20 × 81/42 × 21 = 1620/882
3. After reducing the fraction, the answer is 90/49
4. In mixed form: 141/49

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