BB-116

Multiplying Fractions with Variables
Example: BB-116a

1. First, you need to multiply straight across

2. Then you need to factor out the numerator and denominator.

3. Next, you make zero pairs with the X’s (cross out an X from the top and bottom)

4. Then divide by largest factor, which is 5

5. Simplify some more and divide by largest factor (which is 3)


Subtracting Fractions with Variables
Example: BB-116d

1. You need to get the same denominator,so you need to multiply the left side by 2x.

2. Yet your not done so you need to multiply the right side by y

3. Next, you cannot combine like terms because there are none so you must put everything on the same line.



Adding Fractions with Variables
Example: BB-116b

1. You need to get the same denominator, so you multiply the right side by t

2. Since you cannot combine like terms you put everything on the same line