### All SAT Math Resources

## Example Questions

### Example Question #311 : Algebra

Simplify the expression.

**Possible Answers:**

**Correct answer:**

Explanation:

To add rational expressions, first find the least common denominator. Because the denominator of the first fraction factors to 2(x+2), it is clear that this is the common denominator. Therefore, multiply the numerator and denominator of the second fraction by 2.

This is the most simplified version of the rational expression.

### Example Question #1 : How To Add Rational Expressions With Different Denominators

Simplify the following:

**Possible Answers:**

**Correct answer:**

Explanation:

To simplify the following, a common denominator must be achieved. In this case, the first term must be multiplied by (x+2) in both the numerator and denominator and likewise with the second term with (x-3).

Daniel

Certified Tutor

Certified Tutor

Stony Brook University, Bachelors, Biology, General. SUNY College of Optometry, PHD, Optometry.

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