1. Dividing Fractions
Chapter 6
Section 6.5

2. Objective
Students will divide algebraic fractions

3. Concept
To divide by a real number, you multiply by its reciprocal (keep the first fraction, flip the second fraction). You use this same rule to divide algebraic fractions.

4. Concept
Division Rule for Fractions a ÷ c = a * d b d b c

5. Example
5/8 ÷ 2/9

6. Example
x / 2y ÷ xy / 4

7. Example
18 / x2 – 25 ÷ 24 / x + 5

8. Example
x2 + 3x – 10 / 2x ÷ x2 – 4 / x2 – x – 12

9. Concept
To simplify an expression that involves more than one operation, follow the order of operations 1. Simplify grouping symbols 2. Simplify powers 3. Simplify product & quotient left to right 4. Simplify sum & difference left to right

10. Example
(2x/y)3 ÷ x/y2 * x/4

11. Questions

12. Assignment
Worksheet