To multiply a whole number and a fraction, complete the following steps.
Example : Multiply .
Answer. Convert the 3 to the fraction . Now we have
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. We have
Now prove to yourself with your calculator that your answer is correct. Calculate 4 divided by 8 and and multiply the answer by 3. Now calculate 3 divided by 2. If you are correct, the answers are the same (equivalent) and you have successfully multiplied a simple fraction and a whole number.
Problem 1: Multiply the fraction .
Problem 2: Multiply and reduce the answer.
Problem 3: Multiply and reduce the answer.
Problem 4: Reduce .
Problem 5: Reduce .
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Author: Nancy Marcus