Question

先通分，再比较分数的大小。

3/8和4/9 8/5和15/10 6/7和8/10
写过程的加分

Answer 1

3/8=27/72,4/9=32/72,,,,27/72＜32/72；8/5=16/10,15/10＜16/10；6/7=60/70,8/10=56/70,,,60/70＞56/70

Answer 2

3/8和4/9 27/72﹤32/72
8/5和15/10 16/10﹥15/10
6/7和8/10 60/70＞56/70

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谢谢