Answers

Multiply 5/4 with 81/21

1^st number: 1 1/4, 2^nd number: 3 18/21

This multiplication involving fractions can also be rephrased as "What is 5/4 of 3 18/21?"

5/4 × 81/21 is 135/28.

Steps for multiplying fractions

1. Simply multiply the numerators and denominators separately:
2. 5/4 × 81/21 = 5 × 81/4 × 21 = 405/84
3. After reducing the fraction, the answer is 135/28
4. In mixed form: 423/28

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