Evalute the expression.
23/41 divided by 25/82 - 3/10

Nate above took it that your problem is ÷

It occurred to me that you could have
meant this instead:

÷

Work in the parentheses first.

The LCD of 82 and 10 is 410.

So to make  have a denominator of
410, we multiply it by .
Also to make  have a denominator of
410, we multiply it by . So we have:

÷


÷

Combine the fractions in the parentheses:

÷

Now  reduces to  and
we have

÷

now we invert the second fraction and 
change ÷ to ×

 23     205
---- × -----
 41      1

Cancel the 41 into the 205

         5      
 23     205
---- × -----
 41      1
  1

  23×5

  115

Edwin