Question

How do you add `(5n)/3 + (4n)/3`?

Answer 1

Since the denominators are already equal, you can just add the numerators and simplify to get:

`(5n)/3+(4n)/3 = 3n`

Explanation:

`(5n)/3+(4n)/3 = (5n+4n)/3 = ((5+4)n)/3 = (9n)/3 = (3*3n)/3 = 3n`