( 月 日)(名前: )(得点: 点) 次の分数を通分しましょう。 (1) | ( | 2
3 | , | 2
5 | ) | | (6) | ( | 2
9 | , | 3
5 | ) | | (2) | ( | 2
3 | , | 3
5 | ) | | (7) | ( | 4
9 | , | 3
5 | ) | | (3) | ( | 3
5 | , | 1
4 | ) | | (8) | ( | 1
5 | , | 5
7 | ) | | (4) | ( | 2
7 | , | 1
2 | ) | | (9) | ( | 4
7 | , | 1
3 | ) | | (5) | ( | 1
4 | , | 1
3 | ) | | (10) | ( | 1
2 | , | 1
5 | ) | |
----- ----- ----- ----- ----- ----- ----- ----- 解答 (1) | ( | 10 - 15 | , | 6 - 15 | ) | (6) | ( | 10 - 45 | , | 27 - 45 | ) | (2) | ( | 10 - 15 | , | 9 - 15 | ) | (7) | ( | 20 - 45 | , | 27 - 45 | ) | (3) | ( | 12 - 20 | , | 5 - 20 | ) | (8) | ( | 7 - 35 | , | 25 - 35 | ) | (4) | ( | 4 - 14 | , | 7 - 14 | ) | (9) | ( | 12 - 21 | , | 7 - 21 | ) | (5) | ( | 3 - 12 | , | 4 - 12 | ) | (10) | ( | 5 - 10 | , | 2 - 10 | ) |
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