题目内容
把下列分数化成最简分数.
(1)
=
;(2)
=
;(3)
=
.
(1)
| 8 |
| 12 |
| 2 |
| 3 |
| 2 |
| 3 |
| 15 |
| 20 |
| 3 |
| 4 |
| 3 |
| 4 |
| 125 |
| 2000 |
| 1 |
| 16 |
| 1 |
| 16 |
分析:利用分数的基本性质,把分子分母分别处以他们的最大公约数即可.
解答:解:(1)
=
=
;
(2)
=
=
;
(3)
=
=
.
故答案为:
;
;
.
| 8 |
| 12 |
| 8÷4 |
| 12÷4 |
| 2 |
| 3 |
(2)
| 15 |
| 20 |
| 15÷5 |
| 20÷5 |
| 3 |
| 4 |
(3)
| 125 |
| 2000 |
| 125÷125 |
| 2000÷125 |
| 1 |
| 16 |
故答案为:
| 2 |
| 3 |
| 3 |
| 4 |
| 1 |
| 16 |
点评:此题考查利用分数的基本性质把分数化为最简分数.
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