The quotient is 284 divided by 5, or
284
----- If you mult. numerator and denominator by 2, you get 578/10, or 57.8.
5
Try the numbers 550 and 600 (because 574 is between them). Now divide 550 and 600 by 10; the results will be 55 and 60. The actual value of 284/5 is between 55 and 60: 57.8 (which you can verify with a calculator).