The number on the left(e.g. 10) is how much you will win. The number on the right is how much you need to stake. for every / 1 you bet, you will win / 9. This can also be calculated as 1 / (9 + 1) = 0.10 - There is a 10% chance that the event will happen.

To win betting on sports, you must familiarize yourself with different betting markets. Professional bettors can find value in all areas of a game on the best online sportsbooks, which means they need to be able to target different markets on sports betting sites for different games.