( 月 日)(名前: )(得点: 点) 次の分数を通分しましょう。 (1) | ( | 4
3 | , | 7
4 | ) | | (6) | ( | 5
2 | , | 10
3 | ) | | (2) | ( | 9
2 | , | 15
4 | ) | | (7) | ( | 3
2 | , | 20
3 | ) | | (3) | ( | 19
4 | , | 16
3 | ) | | (8) | ( | 7
4 | , | 13
2 | ) | | (4) | ( | 7
2 | , | 11
3 | ) | | (9) | ( | 2
3 | , | 7
2 | ) | | (5) | ( | 5
2 | , | 5
4 | ) | | (10) | ( | 11
4 | , | 2
3 | ) | |
----- ----- ----- ----- ----- ----- ----- ----- 解答 (1) | ( | 16 - 12 | , | 21 - 12 | ) | (6) | ( | 15 - 6 | , | 20 - 6 | ) | (2) | ( | 18 - 4 | , | 15 - 4 | ) | (7) | ( | 9 - 6 | , | 40 - 6 | ) | (3) | ( | 57 - 12 | , | 64 - 12 | ) | (8) | ( | 7 - 4 | , | 26 - 4 | ) | (4) | ( | 21 - 6 | , | 22 - 6 | ) | (9) | ( | 4 - 6 | , | 21 - 6 | ) | (5) | ( | 10 - 4 | , | 5 - 4 | ) | (10) | ( | 33 - 12 | , | 8 - 12 | ) |
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