Simplify 9/11z − 4/11z .

Answer 1

9/11z - 4/11z = (9-4)/11z = 5/11z. Answer: \boxed{\frac{5}{11z}}.

Answer 2

Simplify 3/10x + 1/6y + 3/10x + 3/6y . Be sure to reduce any fractions to the lowest terms.