Rule 12: To multiply a whole number and a fraction, complete the following steps.
Problem 4: Reduce .
Answer. The answer is .
Solution. Factor the numerator, factor the denominator, and locate the fraction(s) that has(have) a value of 1.
Although we have reduced the problem, it can be reduced further. Follow the same steps
You can check the answer with your calculator. If 72 divided by 90 yields the same answer as 4 divided by 5, is equivalent to .
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Author: Nancy Marcus