what is the percentage of 18/20
18/20 is 90%You can use a calculator to divide 18 and 20 and you will get 0.9 which is 90%Or. simplify by dividing the top and bottom by 2, to get 9/10 which is still 90%:)
= 9/10= 9 ÷ 10= 0.90.9 x 100 = 90%