How is adding, subtracting, multiplying and dividing fractions similar to doing the same with rational expressions.

Question

How is adding, subtracting, multiplying and dividing fractions similar to doing
the same with rational expressions.

Answer 1

You should treat them virtually the same....a rational expression is just a 'ratio' of two polynomials.   You will need to generate a common denominator when adding or subtracting and you will just perform the operation if multiplying or dividing.