You can read and send mail from most email addresses, including Gmail, Yahoo and Hotmail. Android has made it easy to add accounts, sync accounts, and remove accounts.
How to add another email account to the Gmail app on Android
STEP 1: Launch Settings from your Home screen, the app drawer, or the Notification Shade.
STEP 2: Swipe up in the Settings menu to scroll down.
STEP 3: Tap Accounts.
STEP 4: Tap Add Account.
STEP 5: Tap Google.
STEP 6: Type in your email address in the provided field. You can also create a new account to be added.
STEP 7: Tap Next.
STEP 8: Type your password.
STEP 9: Tap Next.
STEP 10: Enter the 2-Step Verification code if you have it enabled and tap Next.
STEP 12: Tap a billing information option.
STEP 13: Tap Continue.