Xiaoming ate ax 1/2= 1/2a, and Xiaohong ate 1/3a.
Xiao Ming eats more than Xiao Hong1/2a-1/3a = 3/6a-2/6a = a (3/6-2/6) = ax1/6 =1/6a.
1/6a/a= 1/6
A: Xiaoming ate more than Xiaohong 1/6.