How to convert decimal into days, hours and minutes?

Hi! Can you help me to convert these into days, hours, minutes...

Example:

46.65634971 should become 1 day 22 hours
91.42876971 should become 3 days 19 hours
74.02559486 should become 3 days 2 hours
4.44146742849 should become 4 hours
0.851588571344 should become 51 minutes