OK, so depending on the fraction, it may vary but for the example lets say it is 1/2. 1/2 is equivalent to half or .5 which is half of 1 in decimal form. the simple way to do it is put it in a calculator. so if its 12/21 then put twelve divided by 21 into the calculator.
there were 84 people who answered yes plus an additional 12 men who said no. Add these up and you get 96. Divide that number by the number of people which is 157 and you get .611 rounded up.