Answer
a) Yes, your friend is correct. Because she is multiplying the denominators together, the product will be a common denominator.
b) However, unless the denominators are prime numbers and different variables, you will not get the Least Common Denominator, ultimately making your work harder.
Work Step by Step
a) Yes, your friend is correct. Because she is multiplying the denominators together, the product will be a common denominator.
b) However, unless the denominators are prime numbers and different variables, you will not get the Least Common Denominator, ultimately making your work harder.