Multiplying Simple Fractions: Problem 2

Rule 11: To multiply two 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 2: Multiply tex2html_wrap_inline45 and reduce the answer.

Answer. Multiply the numerators and multiply the denominators, but leave them in factored form. Then reduce the fraction by factoring the numerator and the denominator and located the fraction within the mix that has a value of 1. See the following steps:

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The answer to the problem is tex2html_wrap_inline49 .

You can check the answer with your calculator. Calculate 1 divided by 2 and 8 divided by 7 and multiply the two answers. Now calculate 4 divided by 7. If the two answers are the same, you have worked the problem correctly.

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Author: Nancy Marcus

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