( 月 日)(名前: )(得点: 点) 次の分数を通分しましょう。 (1) | ( | 3
2 | , | 8
9 | ) | | (6) | ( | 8
5 | , | 7
6 | ) | | (2) | ( | 2
5 | , | 5
6 | ) | | (7) | ( | 1
5 | , | 9
4 | ) | | (3) | ( | 9
10 | , | 9
5 | ) | | (8) | ( | 2
3 | , | 3
10 | ) | | (4) | ( | 3
2 | , | 3
5 | ) | | (9) | ( | 5
3 | , | 1
2 | ) | | (5) | ( | 4
9 | , | 9
7 | ) | | (10) | ( | 8
5 | , | 5
7 | ) | |
----- ----- ----- ----- ----- ----- ----- ----- 解答 (1) | ( | 27 - 18 | , | 16 - 18 | ) | (6) | ( | 48 - 30 | , | 35 - 30 | ) | (2) | ( | 12 - 30 | , | 25 - 30 | ) | (7) | ( | 4 - 20 | , | 45 - 20 | ) | (3) | ( | 9 - 10 | , | 18 - 10 | ) | (8) | ( | 20 - 30 | , | 9 - 30 | ) | (4) | ( | 15 - 10 | , | 6 - 10 | ) | (9) | ( | 10 - 6 | , | 3 - 6 | ) | (5) | ( | 28 - 63 | , | 81 - 63 | ) | (10) | ( | 56 - 35 | , | 25 - 35 | ) |
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