HiSET: Math : Rational expressions

Study concepts, example questions & explanations for HiSET: Math

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Example Questions

Example Question #1 : Algebraic Concepts

Add or subtract: 

Possible Answers:

Correct answer:


Step 1: Find the Least Common Denominator of these fraction. We will list out multiples of each denominator until we find a common number for all three fractions...

The smallest common denominator is .

Step 2: Since the denominator is , we will convert all denominators to .


Step 3: Add up all the values of x...

Step 4: The result from step  is the numerator and  is the denominator. We will put these together.

Final Answer: 


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