You can get Yahoo mails directly through your Gmail Account by method mention below.

The Yahoo interface is complex in comparison to Gmail and takes longer time to load for browsers such as Chrome or Mozilla. This is why a lot of the users want the ability to get Yahoo messages in Gmail to fix the issue.

Here are 2 ways to get Yahoo Mail in your Gmail Account.

Through forwarding email:
You can utilize this technique to use any Email services to forward your mail to another Mailbox. If you get a mail it will forward the mail to an address that has been forwarded.

You can easily go to Yahoo Setting > Account > Email > Forward Email

Enter into your email account on Gmail.

Then you're all set.

2. You can sign into your Yahoo Account via the Gmail App on Android or other platforms.

You cannot open the Gmail App. Sign in with Yahoo > Click No to simplify Gmail.

It's that easy.

You've completed your Yahoo configuration.