( 月 日)(名前: )(得点: 点) 次の分数を通分しましょう。 (1) | ( | 3
5 | , | 16
81 | ) | | (6) | ( | 2
5 | , | 8
15 | ) | | (2) | ( | 5
7 | , | 10
33 | ) | | (7) | ( | 2
3 | , | 1
31 | ) | | (3) | ( | 6
13 | , | 1
83 | ) | | (8) | ( | 8
9 | , | 5
28 | ) | | (4) | ( | 1
10 | , | 2
27 | ) | | (9) | ( | 8
15 | , | 5
17 | ) | | (5) | ( | 1
2 | , | 9
13 | ) | | (10) | ( | 5
12 | , | 5
72 | ) | |
----- ----- ----- ----- ----- ----- ----- ----- 解答 (1) | ( | 243 - 405 | , | 80 - 405 | ) | (6) | ( | 6 - 15 | , | 8 - 15 | ) | (2) | ( | 165 - 231 | , | 70 - 231 | ) | (7) | ( | 62 - 93 | , | 3 - 93 | ) | (3) | ( | 498 - 1079 | , | 13 - 1079 | ) | (8) | ( | 224 - 252 | , | 45 - 252 | ) | (4) | ( | 27 - 270 | , | 20 - 270 | ) | (9) | ( | 136 - 255 | , | 75 - 255 | ) | (5) | ( | 13 - 26 | , | 18 - 26 | ) | (10) | ( | 30 - 72 | , | 5 - 72 | ) |
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