( 月 日)(名前: )(得点: 点) 次の分数を通分しましょう。 (1) | ( | 3
10 | , | 2
9 | ) | | (6) | ( | 2
5 | , | 4
13 | ) | | (2) | ( | 1
4 | , | 2
7 | ) | | (7) | ( | 2
3 | , | 2
7 | ) | | (3) | ( | 1
3 | , | 1
2 | ) | | (8) | ( | 5
3 | , | 3
2 | ) | | (4) | ( | 2
5 | , | 3
2 | ) | | (9) | ( | 1
3 | , | 3
7 | ) | | (5) | ( | 4
3 | , | 1
4 | ) | | (10) | ( | 1
3 | , | 3
11 | ) | |
----- ----- ----- ----- ----- ----- ----- ----- 解答 (1) | ( | 27 - 90 | , | 20 - 90 | ) | (6) | ( | 26 - 65 | , | 20 - 65 | ) | (2) | ( | 7 - 28 | , | 8 - 28 | ) | (7) | ( | 14 - 21 | , | 6 - 21 | ) | (3) | ( | 2 - 6 | , | 3 - 6 | ) | (8) | ( | 10 - 6 | , | 9 - 6 | ) | (4) | ( | 4 - 10 | , | 15 - 10 | ) | (9) | ( | 7 - 21 | , | 9 - 21 | ) | (5) | ( | 16 - 12 | , | 3 - 12 | ) | (10) | ( | 11 - 33 | , | 9 - 33 | ) |
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