Have u tried to use slander its an app for answers ?
The way to work this out is to find a common denominator. so in this case 80 is a common denominator. So it would be 3/8 into 30/80 and then 4/10 into 32/80 therefore 4/10 is bigger
19.6/0.245=80 and 80*0.245= 19.5 as a check, so it's 80
I've got the answer It's this