Fractions of cake

This task is about adding and subtracting fractions.
a) Ariana ate one-third of an apricot cake and Peter ate one-third. Draw or show how to work out how much cake they ate altogether.

 
 
 
 
 
Answer: __________
 
b)

 Maraea ate one-quarter of a rēwena bread and John ate a half. Draw or show how to work out how much they ate altogether.

 
 
 
 
 
Answer: __________
 
c)
 
Joshua ate one-sixth of a carrot cake. Draw or show how to work out how much cake was left.

 
 
 
 
 
Answer: __________
 
d)
 
Some friends ordered 3 pai fala (pineapple pie).  Josef ate half of one pai fala. Draw or show how to work out how much pai fala is left for his friends.

 
 
 
 
 
Answer: __________