-3 2/3
First covert 4 1/3 to an improper fractions.
4•3= 12
12+1=13
4 1/3 = 13/3
Next convert 8 to a fraction.
8•3= 24
8 = 24/3
Finally subtract.
13-24 = -11
-11/3
Covert back into a mixed number by dividing the numerator by the denominator.
-11 / 3 = -3 and 2/3
Final Answer = -3 2/3