# Why we can’t divide by 0

Quite rarely do I ever do anything about mathematics on Tweaked for your Pleasure but today I got e-mailed a question and although I rarely do requests, I figured I might as well ask this.

Basically, the e-mail was as follows:

Hi Matt

just wondered as you are good at maths why i am told 0 divided by anything is not possible. Mind explaing ?

Thanks

• $\frac 1 0 =5$
There is a rule within arithmetic that means $(\frac b a) = b$ and following this rule and what we defined a minute ago that if we do;