I'm not sure exactly what it means in mathematics, other than putting similar things into groups.
So I guess you could answer with organizing similar things into group like the heights, favorite colors, ages, and grades of people in your class or something.
Is that what you're looking for?
Answer: Im pretty sure the answer is -14
Step-by-step explanation:
It's 6 because if you simplify 6 over 8 you get 3 over 4 because half of 6 is 3 and half of 8 is 4