Adding and subtracting fractions. HASSAN:I bet this was a temple. OLIVIA:And this was a massive pillar. HASSAN:Does this go together with this? OLIVIA:Hmm, not sure. HYPATIA:Sorry it's a bit of a ...

HYPATIA:Haha well, let's just say this next question is about fractions. If you are ever to escape the pizza dimension and eat anything other than pizza again, first you must simplify 8/12.