A pizza was cut into 12 equal pieces as shown in the diagram below. Ricky, Mack and Joe shared the pizza. Ricky took $$ \frac{2}{3}$$ of the pizza.Joe took $$ \frac{1}{12}$$ of the pizza. Mack ate the rest of the pizza.  Express what Mack had as a fraction $$ \frac{A}{B}$$ of the pizza. A, B are in the lowest term.<hr>A: <input min="0" type="number" class="lineinput" placeholder="?"><br>B: <input min="0" type="number" class="lineinput" placeholder="?">