SOLUTION: Least common denominators are required for subtracting rational expressions. What steps must be taken to obtain this requirement? Demonstrate the process with your own example.

Question 404048: Least common denominators are required for subtracting rational expressions. What steps must be taken to obtain this requirement? Demonstrate the process with your own example.
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
Just do the same process as if you were adding normal fractions, such as . For example,

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