Question

i need to know how adding and subtracting rational expressions is similar to adding and subtracting simple fractions and how they are different

Answer 1

Ponder on this simple formula..\[\frac{ a }{ b }\pm \frac{ c }{ d }= \frac{ ad \pm bc }{ bd }\]
THIS FORMULA IS UNIVERSAL, IT APPLIES TO BOTH RATIONAL EXPRESSIONS AND SIMPLE NUMERICAL FRACTIONS.

Answer 2

im not sure how to put that in words

Answer 3

im not even sure what that is

Answer 4

IT SHOWS HOW TO ADD OR SUBTRACT TWO FRACTIONS.

Answer 5

so you add the two fractions and then you put them both together?

Answer 6

A quick example with simple fractions..