you can't add blank pages on the home screen of your LG device, so there's no button to create them. to add a page on the home screen, you need to move an app shortcut, folder or widget. only then can you create a page. if you remove the last item from the page, the page will automatically disappear from the home screen.
- Tap and hold an App Shortcut
- Drag the shortcut to the right to create a new page