5分之3化成小数是多少

2025-04-02 22:33:03
推荐回答(1个)
回答1:

是0.6。用分子除以分母的结果。5分之3是一个真分数。

分数化小数(change of fraction into decimal)是一种恒等变形,指将分数通过一定的法则化为小数的运算。因为每一个假分数,都可以化为整数或一个整数与一个真分数的和,而每个真分数又可以通过约分化为最简分数,所以,研究分数化小数,只需研究最简分数化小数。



扩展资料:

分数小数的华法

1、小数化分数

要看小数点后面有几位小数,就在1后面添几个0作分母,例O.25 小数点后面有两位小数就在1后面添两个0,就是1OO, l00做分数的分母, 然后把原小数的小数点去掉0.25, 

去掉小数点是25, 25 做分子。那么0.25二25/100 25/100不是最简分数,通过约分化成最简分数,O.25二25/100二1/4。

2、把小数化成百分数

去掉小数的小数点,同时加上百分号,例0.25二25%, 把百分数化成小数就是去掉百分号后的数缩小100倍(小数点向左移动两位)例,25%二0.25。

3、把分数化成百分数

先把分数化成小数,再把小数化成百分数。例:1/4二0.25二25% 把百分数化成分数就是把百分数写成分数的形式,然后能约分的要约成最简分数,例:25%二25/100二1/4。



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