Answer:
Step-by-step explanation:
Sergio brought a half of the $5,400 which is:
= 5,400 * 1/2
= $2,700
Camila brought a third of the cash which is:
= 5,400 * 1/3
= $1,800
The total amount remaining is:
= 5,400 - 2,700 - 1,800
= $900
As a fraction of the total this is:
= 900 / 5,400
= 1 / 6