3 steps to add adsense to your blog and make money.

1.Create a blog on topic you really interested in, or on topic you have good knowledge. Then start add articles on your blog. Update your blog articles every few days.
2.Add adsense to your blog.
You can edit your wordpress theme files to add adsense code directly ,ff you know something about php/html code.

If you have no idea about how to insert adsense code, you can just use Easy-Adsense plugin. It is recommended by Google Adsense officially nowadays. Easy-Adsense is very easy to use and has the option to select show only three ads per page.Easy-Adsense has author links under the adds but you can remove it by set the option .
There are many other plugins such as: mightyadsense, Adsense manager.all very easy to use.

3.Get traffic to your blog.
Subbmit you blog to seach engines, directories, rss, digg etc to get traffic.

Remember ‘content is the king’. It’s important to have unique content on your blog to earn more.

It’s so simple, you see. Now just start creating your blog and making money . Good Luck.