Rule 13: To multiply three or more simple fractions, complete the following three steps.
Problem 1: Multiply and reduce the answer.
Answer. The answer is .
Solution. Multiply the numerators and the denominators, but leave them in factored form .
Factor the numerator, factor the denominator, and look for the fractions in the mix that have a value of 1.
Check: You can check the answer with your calculator. Calculate and calculate and . If the answers are the same, it means that and are equivalent and you have worked the problem correctly.
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Author: Nancy Marcus