Something that the viewers should be careful with, is finding the "r". It is also important to be careful when getting rid of the denominator by multiplying its inverse. When dividing both the numerator and denominator by 3, all we do is simplify it. It's not extremely necessary, but it just makes the numbers smaller. When adding the 2, you multiply 333 to both the top and the bottom, and then you leave it as a fraction.
