Answer:
The movie will be left for:
67.5 minutes
Explanation:
It is given that:
A movie is 1 7/8 hours long.
i.e.
A movie is: 15/8 hours long.
( Since,

which is nothing but 112.5 minutes )
Now, the amount of movie which will be left over is:
Total time of the movie- 45 minutes
= 112.5-45
= 67.5 minutes