真分数有:2/3 3/4 6/9假分数有:11/9 7/2 9/9最简分数有:11/9 7/2 2/3 3/4同分母分数有:11/9 9/9 6/9
2/3,3/4,6/9是真分数,11/9,7/2,9/9是假分数,2/3,3/4是最简分数
4个,11/9,7/2,2/3,3/4