SAT Mathematics : Working with Fractions

Study concepts, example questions & explanations for SAT Mathematics

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Example Questions

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Example Question #11 : Working With Fractions

For what value of  is this equation true?

Possible Answers:

Correct answer:


To solve this problem we must first set a common denominator. To set a common denominator we multiply  by , by doing this we get  and see that the common denominator is . Then, since the denominators are now the same, we subtract  from  and move  to the other side to get the  alone and simultaneously solve for .

We simplify  by dividing the numerator and denominator by , and get the answer .

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