### All PSAT Math Resources

## Example Questions

### Example Question #1 : Operations With Fractions

Define an operation as follows:

For all real ,

.

Evaluate .

**Possible Answers:**

**Correct answer:**

Explanation:

### Example Question #1 : How To Subtract Fractions

Define an operation as follows:

For all real ,

.

Evaluate .

**Possible Answers:**

**Correct answer:**

Explanation:

### Example Question #2 : How To Subtract Fractions

Define an operation as follows:

For all real ,

Evaluate .

**Possible Answers:**

**Correct answer:**

Explanation:

### Example Question #3 : How To Subtract Fractions

Define an operation as follows:

For all real ,

.

Evaluate .

**Possible Answers:**

**Correct answer:**

Explanation:

### Example Question #4 : How To Subtract Fractions

Define an operation as follows:

For all real ,

Evaluate

**Possible Answers:**

**Correct answer:**

Explanation:

### Example Question #1 : Operations With Fractions

Define an operation as follows:

For all real ,

.

Evaluate .

**Possible Answers:**

The correct answer is not among the other responses.

**Correct answer:**

The correct answer is not among the other responses.

Explanation:

This answer is not among the choices given.

### Example Question #1 : How To Subtract Fractions

Subtract and simplify the fractions:

**Possible Answers:**

**Correct answer:**

Explanation:

First we need to give them common denominators. Remember, whatever you do to the denominator you must do to the numerator:

From here, we do algebraic operations to subtract and simplify.

Humberto

Certified Tutor

Certified Tutor

The University of Texas at Austin, Bachelors, Mathematics. University of Saint Thomas , Masters, Education.

### All PSAT Math Resources

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