( 月 日)(名前: )(得点: 点) 次の分数を通分しましょう。 (1) | ( | 7
2 | , | 8
3 | ) | | (6) | ( | 8
5 | , | 1
3 | ) | | (2) | ( | 9
5 | , | 3
8 | ) | | (7) | ( | 8
3 | , | 1
7 | ) | | (3) | ( | 3
4 | , | 4
5 | ) | | (8) | ( | 2
3 | , | 5
6 | ) | | (4) | ( | 9
4 | , | 4
5 | ) | | (9) | ( | 5
4 | , | 7
9 | ) | | (5) | ( | 5
2 | , | 3
10 | ) | | (10) | ( | 5
3 | , | 8
7 | ) | |
----- ----- ----- ----- ----- ----- ----- ----- 解答 (1) | ( | 21 - 6 | , | 16 - 6 | ) | (6) | ( | 24 - 15 | , | 5 - 15 | ) | (2) | ( | 72 - 40 | , | 15 - 40 | ) | (7) | ( | 56 - 21 | , | 3 - 21 | ) | (3) | ( | 15 - 20 | , | 16 - 20 | ) | (8) | ( | 4 - 6 | , | 5 - 6 | ) | (4) | ( | 45 - 20 | , | 16 - 20 | ) | (9) | ( | 45 - 36 | , | 28 - 36 | ) | (5) | ( | 25 - 10 | , | 3 - 10 | ) | (10) | ( | 35 - 21 | , | 24 - 21 | ) |
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