Question 629334
If there is only one cup of milk being used then there would be 1/ (2 2/3) cups of flour.  
1/ (2 2/3)= 1/ (8/3)= 1* 3/8= 3/8. 
But since there is only 1/3 cup of milk, we need to divide by three. so 3/8 / 3= 3/8* 1/3= 3/24= 1/8

Therefore 1/8 cups of flour are needed.