Yes, look for your highest disability rating in the left column and your lowest rating in the top column and your combined rating is the number where the two intersect , rounded to the nearest 10%.
In step 4 how do you figure out the combined disability rating?
We will round combined values ending in 1 to 4 down, and those ending in 5 to 9 up.
What do you base my ratings on if I had a disability before I entered the service and the service made it worse?