All we need to do, is take the starting point (4/10), how much we are adding by (5/10), and the end point (9/10).
We put everything together into an equation.
4/10 + 5/10 = 9/10
Best of Luck!
Answer:
Step-by-step explanation:
beacause the denomenator remains the same, you need not to do anything with it. however, you add 5 to the 4 to get 9
