Having the same ID for iCloud and App store

[brainwave89]

What is the best way to have the same email address associated with iCloud and the App store. Currently they are not the same.

Thank you for looking.

 

[ivanwi11iams]

In iCloud (via a browser) Settings, if you click Manage ID, there should be options to add\remove email addresses. And, set as default, too...