國小分數問題，要翻譯！

Question

Robin and Jim took cherries from a basket. Robin took 1/3 of the cherries and Jim took 1/6 of the cherries. What fraction of the cherries remain in the basket?
圖片參考：http://nces.ed.gov/nceskids/eyk/images/spacer.gif
d. 1/18

Answer 1

Robin和Jim從籃子裡面拿了櫻桃
Robin拿了1/3,Jim拿了1/6
請問籃子裡還剩下幾分之幾的櫻桃

1-1/3-1/6=1/2

Answer 2

羅賓和吉姆從籃子裡頭拿了一些櫻桃.羅賓拿三分之ㄧ.吉姆拿了六分之一的櫻桃.籃子裡還剩下幾分之幾的櫻桃?

1-1/3-1/6= 6/6-2/6-1/6=3/6=1/2
答案是a. 1/2