200
300/450 = 2/3
300.6667
6 over 200 and 9 over 300
2/300 = 2 ÷ 300 = 0.006667
3/6 and 300/600
3/5 of 300 = 180
1/3 x 300 = 100
2/5 of 300 is 120.
300/450 = 2/3
To write 2 over 300 as a percentage, you first divide 2 by 300 to get 0.0067. Next, multiply this decimal by 100 to convert it to a percentage, which equals 0.67%. Therefore, 2 over 300 written as a percentage is 0.67%.
2 litres/300 ml = 2000/300 = 20/3
300/400 = 3/4 or 0.75 (or it could be (300/20)3 = 3375)