What is the process we follow when adding, subtracting, multiplying, and dividing radical expressions ...

Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify.

What is the process we follow when adding, subtracting, multiplying, and dividing radical expressions? In your answer, demonstrate the process for each one with your own example.