Rule 11: To multiply two simple fractions, complete the following steps.
Example 1: Multiply .
Answer. Multiply the numerators and the denominators, but leave them in factored form .
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.
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Author: Nancy Marcus