( 月 日)(名前: )(得点: 点) 次の分数を通分しましょう。 (1) | ( | 2
3 | , | 4
7 | ) | | (6) | ( | 2
7 | , | 1
9 | ) | | (2) | ( | 7
13 | , | 9
8 | ) | | (7) | ( | 1
7 | , | 7
6 | ) | | (3) | ( | 4
9 | , | 1
3 | ) | | (8) | ( | 10
11 | , | 7
13 | ) | | (4) | ( | 8
11 | , | 2
5 | ) | | (9) | ( | 5
14 | , | 3
10 | ) | | (5) | ( | 9
5 | , | 7
11 | ) | | (10) | ( | 3
7 | , | 5
4 | ) | |
----- ----- ----- ----- ----- ----- ----- ----- 解答 (1) | ( | 14 - 21 | , | 12 - 21 | ) | (6) | ( | 18 - 63 | , | 7 - 63 | ) | (2) | ( | 56 - 104 | , | 117 - 104 | ) | (7) | ( | 6 - 42 | , | 49 - 42 | ) | (3) | ( | 4 - 9 | , | 3 - 9 | ) | (8) | ( | 130 - 143 | , | 77 - 143 | ) | (4) | ( | 40 - 55 | , | 22 - 55 | ) | (9) | ( | 25 - 70 | , | 21 - 70 | ) | (5) | ( | 99 - 55 | , | 35 - 55 | ) | (10) | ( | 12 - 28 | , | 35 - 28 | ) |
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