( 月 日)(名前: )(得点: 点) 次の分数を通分しましょう。 (1) | ( | 7
4 | , | 8
3 | ) | | (6) | ( | 4
3 | , | 2
15 | ) | | (2) | ( | 5
7 | , | 8
19 | ) | | (7) | ( | 4
3 | , | 2
5 | ) | | (3) | ( | 9
8 | , | 2
3 | ) | | (8) | ( | 2
3 | , | 7
12 | ) | | (4) | ( | 3
7 | , | 2
3 | ) | | (9) | ( | 4
9 | , | 2
17 | ) | | (5) | ( | 5
3 | , | 3
2 | ) | | (10) | ( | 7
6 | , | 3
8 | ) | |
----- ----- ----- ----- ----- ----- ----- ----- 解答 (1) | ( | 21 - 12 | , | 32 - 12 | ) | (6) | ( | 20 - 15 | , | 2 - 15 | ) | (2) | ( | 95 - 133 | , | 56 - 133 | ) | (7) | ( | 20 - 15 | , | 6 - 15 | ) | (3) | ( | 27 - 24 | , | 16 - 24 | ) | (8) | ( | 8 - 12 | , | 7 - 12 | ) | (4) | ( | 9 - 21 | , | 14 - 21 | ) | (9) | ( | 68 - 153 | , | 18 - 153 | ) | (5) | ( | 10 - 6 | , | 9 - 6 | ) | (10) | ( | 28 - 24 | , | 9 - 24 | ) |
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