Answer:
I don´t know fully but you add by ones on top and add by threes on the bottom
Step-by-step explanation:
8/6= 1 1/3
48/28= 1 4/7
7/9 is in simplest form
Putting value of z = 3
6(3)2+ 2(3) + 10
6(9) + 6 + 10
54 + 16
70
