This is a learning material (Module) It contains lesson on addition and subtraction of rational expression. It helps develop learners' skill in adding and subtracting rational expressions having the same and different denominators.
Objective
1. to recall LCM, addition and subtraction of rational numbers
2. to recall how to simplify rational expression
3. to find LCD of rational expressions
4. to add rational expressions having the same denominator
5. to add rational expressions having different denominators
6. to subtract rational expressions having the same denominator
7. to subtract rational expressions having different denominators
