把下面化成最简整数比 5/8:0.75 9/111:1
问题描述：
把下面化成最简整数比 5/8:0.75 9/111:1
答
5/8 :0.75
= 5/8 :3/4
= (8×5/8) :(8×3/4)
= 5 :6
9/111 :1
= 9 :111
= (9÷3) :(111÷3)
= 3 :37