### All PSAT Math Resources

## Example Questions

### Example Question #1091 : Psat Mathematics

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.

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### All PSAT Math Resources

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