Question

How do you divide quickly in your head? For example, 3/5, 7/8, 112.5/100?

Answer 1

I know for 17/4, you can say to yourself, what is 16/4? The answer is 4. Then you can ask yourself, what is 1/4? The answer is 0.25.

Therefore 4 + 0.25 = 4.25

Answer 2

try habitual memorization

Answer 3

I plant a calculator In my head.

Answer 4

lol i would want to do that also

Answer 5

LOL
I suggest you not xD

Answer 6

second thought your right

Answer 7

You know what they say - Trust those who had the experience XD

Answer 8

OK
cheers
lol

Answer 9

...What was that all about?