Hey there!
-9 - (-4 1/3)
= -9 - (-13/3)
= -9 + 13/3
= -14/3
= -4 2/3
Therefore, your answer is: -14/3 or -4 2/3 either should work because both of the numbers are equivalent to each other
Good luck on your assignment and enjoy your day!
~Amphitrite1040:)