How is “and a half” used?

In Barbie (2023), one line is: “for four and a half minutes? - I would love that.”

Which movie is “and a half” from?

The clip at the top of this page is from Barbie (2023).

After a number or amount, that quantity plus one half of the same unit (an hour and a half = 1.5 hours).

informal · Se oye en 113 películas

Definición editorial95% de las películas
After a number or amount, that quantity plus one half of the same unit (an hour and a half = 1.5 hours).

Definiciones del Oxford Advanced Learner's Dictionary, 9.ª edición

for four and a half minutes? - I would love that.

En 8 películas · n.º 1