1. Log in to your HubPages account by visiting the homepage and clicking the 'Sign In' link in the upper-right corner.
2. Click the 'My Account' link in the upper-right corner, then click the 'Earnings' tab near the left side of the screen, across the top menu.
3. Click the 'Configure' button next to Google AdSense.
4. Click 'Yes' under 'Do You Already Have a Google AdSense Account?'
5. Type the email address associated with your Google AdSense account in the email field, and enter the last five digits of the phone number in your AdSense profile. If you don't know what the phone number is, log in to your Google AdSense account in a separate tab and click 'My Account' to see your AdSense account information.
6. Type the postal code associated with your AdSense account in the appropriate section of the HubPages form.
7. Click the 'Link My Accounts' button to complete the process. HubPages sends you a confirmation email when it has approved your AdSense account for use with your HubPages account.