ACT Math : How to find out an improper fraction from a mixed fraction

Study concepts, example questions & explanations for ACT Math

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Example Questions

Example Question #1531 : Act Math

Which of the following is equivalent to ?

Possible Answers:

Correct answer:

Explanation:

Use your calculator to your advantage.  You know that  is .  This means that the mixed fraction equivalent must be of the form:

Now, you find the fractional portion by multiplying  by , which when rounded gives you .  (The quickest way to get  in your calculator is to subtract  from .)  Thus, your answer is:

, which should be reduced to .

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