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标题: 请教一道数学prep [打印本页]

作者: maydaythekid 时间: 2007-7-26 18:10 标题: 请教一道数学prep

In the fraction X/Y, where X and Y are positive intergers, what is the value of Y?

(1) The least common denominator of X/Y and 1/3 is 6

(2) x=1

The answer is E

请问这道题里的least common denominator 是什么意思？解题思路是什么？谢谢

作者: gmatplayers 时间: 2007-7-26 19:50

比如1/2与1/3的最小公分母是6，1/6与1/3的最小公分母也是6。所以答案是E.

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