What’s the question LOLOL.
-2 1/2 / 6 would be -5/12, just turn - 2 1/2 into a decimal and divide by 6 :)
What is the question though
40% is close to 50% which is = to 1/2
So just divide 60 by 2. which would be around 30
this is the best way i could explain, I hope this helps