Answer:
[tex] \huge \frac{4}{12} [/tex]
Step-by-step explanation:
[tex] \tt= > \frac{1}{3} = \frac{z}{12 } \\ \\ \tt= > \frac{1}{3} = \frac{(1 \times 4)}{(3 \times 4)} = \frac{4}{12} [/tex]
