-123.45 - (-234.76)

The expression can be simplified as:

-123.45 - (-234.76) = -123.45 + 234.76 = 111.31

It's b

Apologies for the incorrect response in the previous iteration.

The correct calculation would be:

-123.45 - (-234.76) = -123.45 + 234.76 = 111.31

To subtract a negative number, we can take the original subtraction problem and change the sign of the negative number to positive. Therefore, the subtraction problem -123.45 - (-234.76) becomes -123.45 + 234.76.

Now, let's add the two numbers:
-123.45 + 234.76 = 111.31.

So, the result of -123.45 - (-234.76) is 111.31.