( 月 日)(名前: )(得点: 点) 次の分数を通分しましょう。 (1) | ( | 2
7 | , | 1
3 | ) | | (6) | ( | 1
3 | , | 7
4 | ) | | (2) | ( | 7
8 | , | 9
7 | ) | | (7) | ( | 4
3 | , | 7
6 | ) | | (3) | ( | 7
6 | , | 9
8 | ) | | (8) | ( | 1
3 | , | 5
2 | ) | | (4) | ( | 5
9 | , | 5
6 | ) | | (9) | ( | 5
8 | , | 3
4 | ) | | (5) | ( | 6
5 | , | 3
2 | ) | | (10) | ( | 6
5 | , | 10
9 | ) | |
----- ----- ----- ----- ----- ----- ----- ----- 解答 (1) | ( | 6 - 21 | , | 7 - 21 | ) | (6) | ( | 4 - 12 | , | 21 - 12 | ) | (2) | ( | 49 - 56 | , | 72 - 56 | ) | (7) | ( | 8 - 6 | , | 7 - 6 | ) | (3) | ( | 28 - 24 | , | 27 - 24 | ) | (8) | ( | 2 - 6 | , | 15 - 6 | ) | (4) | ( | 10 - 18 | , | 15 - 18 | ) | (9) | ( | 5 - 8 | , | 6 - 8 | ) | (5) | ( | 12 - 10 | , | 15 - 10 | ) | (10) | ( | 54 - 45 | , | 50 - 45 | ) |
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