set it up with the number 359 on the inside. 20 cannot go into 359, so put the zero on top. Add a decimal at the end of 20, and then a zero. You still can't divide, so add another zero both inside, and on top. 200 becomes 2000. You can now divide. 359 goes into 2000 5 times. continue dividing and round when you get your answer.
