题目内容
先约分,再化为带分数.
;
;
;
;
.
| 42 |
| 24 |
| 60 |
| 48 |
| 12 |
| 8 |
| 60 |
| 40 |
| 120 |
| 50 |
分析:找出分子分母的最大公约数,根据分数的基本性质,分子分母同时除以相同的数(0除外),值不变.即可得解.
解答:解:
=
=
=1
;
=
=
=1
;
=
=
=1
;
=
=
=1
;
=
=
=2
.
| 42 |
| 24 |
| 42÷6 |
| 24÷6 |
| 7 |
| 4 |
| 3 |
| 4 |
| 60 |
| 48 |
| 60÷12 |
| 48÷12 |
| 5 |
| 4 |
| 1 |
| 4 |
| 12 |
| 8 |
| 12÷4 |
| 8÷4 |
| 3 |
| 2 |
| 1 |
| 2 |
| 60 |
| 40 |
| 60÷20 |
| 40÷20 |
| 3 |
| 2 |
| 1 |
| 2 |
| 120 |
| 50 |
| 120÷10 |
| 50÷10 |
| 12 |
| 5 |
| 2 |
| 5 |
点评:此题考查了分数的化简,以及假分数化成带分数.
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