Textbook Question
Add or subtract as indicated. Write answers in lowest terms as needed.

Verified step by step guidance
Add or subtract as indicated. Write answers in lowest terms as needed.
Simplify each complex fraction. (2 - 2/y) / (2 + 2/y)
Factor each polynomial. See Examples 5 and 6. 8-a3
Evaluate each expression. 1691/2
Find each product. Assume all variables represent positive real numbers.
Simplify each complex fraction. [ 1/(x+1) - 1/x ] / (1/x)