a +p - x+y

- ---
b z

ok its a over b plus p minus x plus y over z

So you mean
a/b + p - x + y/z ?
and what is supposed to be done with this expression considering there are 6 different variables??

remember how to substract fractions? Common denominator (bxz)...divide by first denominator and multiply by numerator...now try one more time.

what is 4590035*2=

Put 4590035*2 into google and see what you get.