Answer:
I think it's D
Step-by-step explanation:
Answer
If you didn't it there wouldn't be an easy method to do the problem.Having the same denominator is the easiest method and is pretty basic.If you didn't have a common denominator such as:5/8 + 7/6, it would be virtually impossible to solve.
Step-by-step explanation:
N=- 5 or n= -2
Hope this helps!
It is called a rate.
Your Welcome