what fraction of the bill does the 4th person pay

Question

4 people split a bill. the first person pays for 1/5 , the second person pays 1/4 and the third person pays 1/3. what fraction of the bill does the 4th person pay

Answer 1

1 - (1/5+1/4+1/3) =

 

1 - (12/60 + 15/60+20/60) =

 

1 - (47/60) =

 

13/60

 

 

Answer 2

1 - (1/5 + 1/4 + 1/3) = 1 - (12/60 + 15/60 + 20/60) = 1 - 47/60 = 13/60