Two application with google openid connect, can we put one into another one using iframe?

We have two web applications set up with google openid connect, both of them can be logged in with google account. We are trying to combine two applcation into one to avoid two times authenticaion. Bascially, One is put into the iframe of another application. After logged into parent website through google account, is that possible to log in the child application inside iframe automatically?