Question

9.12÷25.12＝几分之几？

Answer 1

9.12÷25.12
=912/2512
=456/1256
=228/628
=114/314
=57/157
(分子分母同时除以2，
得到最简分数是57/157)

Answer 2

9.12÷25.12
＝912/2512
=(16x57)/(16x157)
=57/157。

Answer 3

9.12÷25.12
=912/2512
=456/1256
=228/628
=114/314
通分得

=57/157
157分之57
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