Multiplying Simple Fractions: Example 1

Rule 11: To multiply two simple fractions, complete the following steps.

Multiply the numerators.
Multiply the denominators.
Reduce the results. (See Rule 10)
Factor the product of the numerators.
Factor the product of the denominators.
Look for the fractions that have a value of 1.

Example 1: Multiply tex2html_wrap_inline42 .

Answer. Multiply the numerators and the denominators, but leave them in factored form tex2html_wrap_inline44 .

Factor the numerator and denominator and look for the fractions that have a value of 1.


Now prove to yourself with your calculator that your answer is correct. Calculate the answers to 2 divided by 7 and 6 divided by 15 and multiply the two answers. Now calculate 4 divided by 35. If you are correct, the answers are the same (equivalent) and you have successfully multiplied two simple fractions.

If you are interested in reviewing another example, click on the word Example.

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Author: Nancy Marcus

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