Answer:
You would add
or 13/8 (fraction)
Explanation:
First we make an equation with the following evidence:
We know 35 over 8 is

And we know were trying to get 6
The unknown is the "add" which gives us X
Equation: x +
= 6
When we solve the equation we get x = 13/8
How do we solve it?
Subtract 35/8 on both sides:
x + 35/8 -35/8 = 6 - 38/8
And leaves us with x = 6