Discussion Topic Like fractions, rational expressions can be added, subtracted, multiplied, and
divided.
When dealing with two rational expressions that have different denominators,
how would you find a common denominator? What effect would that have on
the numerators of the expressions? Would the same idea work for simple numeric
fractions? Why or why not?
Given two rational expressions, how would the process you follow to multiply or
divide them differ from multiplying or dividing two numeric fractions?