Well a percentage is just something over 100, so as a fraction you would have
percentage/100
So you would simply:
(50/100)*80
(1/2)*80=40
So there you go.
Chat with our AI personalities
You multiply 80 by 0.5
50 from 80 is 100*50/80 = 62.5%
4/5
8/10
160/200 = 80/100 = 8/10 = 4/5 = 80 percent or 0.8