Please use the sixth grade method to solve equation problems, x-3 / 16x = 27.2

Please use the sixth grade method to solve equation problems, x-3 / 16x = 27.2

x-3/16x=27.2
(1-3/16)x=136/5
13x/16=136/5
x=136/5 X 16/13
x=2176/65