To add or subtract rational expressions with unlike denominators, first find the LCM of the denominator. ...
Write each expression using the LCD. ...
Add or subtract the numerators.
Simplify as needed.
Answer:
6.625 OR 53/8
Step-by-step explanation:
hope that helps!
You move right cause subtracting a negative is the same as adding a positive
Answer:
3
Step-by-step explanation: