Answer:
D. is your answer
Explanation:
When subtracting a negative, it is basically adding the absolute value of that number:
For example:
3 - ( -4 )
This is the same as:
3 + 4
Now lets take this and use it in your equation:
18 1/5 - ( -22 2/5 ) - ( -40 1/5 )
18 1/5 + 22 1/5 + 40 1/5