题目内容
把下面各分数化成最简分数.
=
=
=
=
=
= .
| 8 |
| 10 |
| 10 |
| 15 |
| 64 |
| 24 |
| 13 |
| 39 |
| 54 |
| 12 |
| 45 |
| 18 |
考点:最简分数,约分和通分
专题:分数和百分数
分析:分子与分母只有公因数1的分数为最简分数,本题根据分数的基本性质将题目中的分数约分化成最简分数即可.
解答:
解:(1)
=
=
;
(2)
=
=
;
(3)
=
=
;
(4)
=
=
;
(5)
=
=
;
(6)
=
=
.
故答案为:
,
,
,
,
,
.
| 8 |
| 10 |
| 8÷2 |
| 10÷2 |
| 4 |
| 5 |
(2)
| 10 |
| 15 |
| 10÷5 |
| 15÷5 |
| 2 |
| 3 |
(3)
| 64 |
| 24 |
| 64÷8 |
| 24÷8 |
| 8 |
| 3 |
(4)
| 13 |
| 39 |
| 13÷13 |
| 39÷13 |
| 1 |
| 3 |
(5)
| 54 |
| 12 |
| 54÷6 |
| 12÷6 |
| 9 |
| 2 |
(6)
| 45 |
| 18 |
| 45÷9 |
| 18÷9 |
| 5 |
| 2 |
故答案为:
| 4 |
| 5 |
| 2 |
| 3 |
| 8 |
| 3 |
| 1 |
| 3 |
| 9 |
| 2 |
| 5 |
| 2 |
点评:在将分数化成最简分数时,要注意确定分子与分母的最大公因数是多少.
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