HiSET: Math : Perform arithmetic operations

Study concepts, example questions & explanations for HiSET: Math

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Example Questions

Example Question #1 : Perform Arithmetic Operations

Add these two expressions together:  and .

Possible Answers:

Correct answer:

Explanation:

Step 1: Add the terms based on their similarities...

 and  becomes .

 and  becomes .

 and  becomes 

Step 2: Combine all the terms after "becomes" in step 1...

We add and get: .

Example Question #1 : Algebraic Concepts

Subtract  and .

Possible Answers:

Correct answer:

Explanation:

Step 1: Subtract these terms by separating by exponents...

Step 2: Add all the simplified terms together...

Example Question #1 : Algebraic Concepts

Add or subtract: 

Possible Answers:

Correct answer:

Explanation:

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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