MULTIPLICATION: Problem 3

Rule 13: To multiply two or more simple fractions, complete the following steps.
1.
Multiply the numerators.
2.
Multiply the denominators.
3.
Reduce the results. (See Rule 10)
a.
Factor the product of the numerators.
b.
Factor the product of the denominators.
c.
Look for the fractions that have a value of 1.

Problem 3:
Multiply tex2html_wrap_inline50 and reduce the answer.

Answer:
The answer is tex2html_wrap_inline52 .

Solution:

Convert the 5 to a fraction, multiply the numerators, multiply the denominators, and keep the product in factored form.

displaymath54

Factor the numerator, factor the denominator, and look for the fractions in the mix that have a value of 1.

displaymath56

Check:

You can check the answer with your calculator. Calculate tex2html_wrap_inline58 and calculate tex2html_wrap_inline60 . If the answers are the same, it means that tex2html_wrap_inline50 and tex2html_wrap_inline52 are equivalent and you have worked the problem correctly.

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