② = ⑤ =
9 =
2 次の分数の分母と分子を9でわって、約分しましょう。
（うすい字や線はなぞりましょう。）
① = 5 ④ =
6
③ = ⑥
⑤ 6 =
⑥ =
= 3
② =
③ =
① 8 ④ =
① 例題
8 549
やくぶん
72
3 8
48 18
30 122
5
24 18
36
30 24
5
546
45
2
637
18
81
63 36
45 18 27
③ = ⑥ =
② 9 = ⑤ =
④ =
5
2 次の分数の分母と分子を9でわって、約分しましょう。
（うすい字や線はなぞりましょう。）
① = 2
③ = ⑥ 6 =
= ④ =
3
② = ⑤ =
① 2
54
12
63
② 確認
3 366
やくぶん
81
7 9
18 12
48 183
8
42 24
54
30
2
455
18
1
819
63
72 45
36 27
③ = ⑥ =
② = ⑤ 9 =
④ =
7
2 次の分数の分母と分子を9でわって、約分しましょう。
（うすい字や線はなぞりましょう。）
① = 4
③ = ⑥ 6 =
= ④ =
9
② = ⑤ =
① 5
18 27
30
18
③ 確認 答え
9 427
やくぶん
81
2 9
54 30
48 427
8
24 18
36
24
4
637
36
2
273
36
45
72 45
③ = ⑥ =
② 9 = ⑤ =
④ =
7
2 次の分数の分母と分子を9でわって、約分しましょう。
（うすい字や線はなぞりましょう。）
① = 3
③ 6 = ⑥ =
= ④ =
3
② = ⑤ =
① 2
18 24
45
30
45
④ 確認
3 427
やくぶん
63
5 7
18 12
30 244
5
54
36
54
3
637
27
1
728
54
27
81 72
=
6
9
⑬ =
⑩ =
⑪ =
⑨ 6 =
⑥ =
9
④ =
⑦ =
⑫ =
⑭
⑤ =
③ =
② =
= 8 =
⑤ 定着
488
6
637
54
81 45
24 18
45
54 12
27 63 36 24 27
30
42 36
30 18
81 63
⑦ 9 = ⑭ =
⑥ = ⑬ =
⑤ = ⑫ 6 =
④ = ⑪ =
③ = ⑩ =
② = ⑨ 6 =
= =
5
12
18 45
⑥ 定着
305
3
364
27
63 36
63 54
72
48 42
81 63 27 18 45
30
27
24 18
12
⑦ = ⑭ =
⑥ = ⑬ =
⑤ = ⑫ =
④ 9 = ⑪ =
③ = ⑩ 9 =
② = ⑨ =
= =
3
24 45
48
45
18 27
⑦ 定着
183
7
488
42
45 18
81
36
42 36
27 42 12 54 42
63
54
45
54
⑦ 6 = ⑭ =
⑥ = ⑬ =
⑤ = ⑫ 9 =
④ = ⑪ 9 =
③ = ⑩ =
② 9 = ⑨ =
= =
12
27
42
18
18 27
⑧ 定着
42
36
54 12
36
72
42 36
30 18 54 48
81
24
30
54
⑦ = ⑭ =
⑥ 9 = ⑬ =
⑤ = ⑫ =
④ = ⑪ 6 =
③ = ⑩ =
② = ⑨ =
= =
12
48 45
54
18
18
18
30 24
⑨ 定着
18
54
54 24
48
42
72
54 24 45 48
27
18
63
54
= =
② = ⑨ =
③ 6 = ⑩ =
④ = ⑪ 6 =
⑤ = ⑫ 9 =
⑥ 9 = ⑬ =
⑦ = ⑭ =
⑩ 仕上げ
28 21
12
42 30
54
63 35 18
54 42
40 25
40 15
36 30 27
81 36
72 27
⑦ = ⑭ =
⑥ = ⑬ =
⑤ = ⑫ 9 =
④ = ⑪ =
③ 7 = ⑩ =
② = ⑨ =
= =
12
24
⑪ 仕上げ
30 12
42
36 27
18
81 36 54
18 54
72 63
49 14
40 25 81
30 25
36 30
⑦ = ⑭ =
⑥ 9 = ⑬ 9 =
⑤ = ⑫ =
④ = ⑪ =
③ = ⑩ =
② = ⑨ =
= =
27
30 42
⑫ 仕上げ
81 18
36
40 35
27
49 35 54
36 30
48 30
40 15
18 42
54 24
27 18
⑦ = ⑭ =
⑥ = ⑬ 9 =
⑤ = ⑫ =
④ 6 = ⑪ =
③ 9 = ⑩ =
② = ⑨ =
= =
14
42 18
⑬ 仕上げ
54 24
18
48
35
35 30 27
54 54
63 27
35 28
27 25
42 24
63 36
= =
② 6 = ⑨ =
③ = ⑩ =
④ 9 = ⑪ =
⑤ = ⑫ =
⑥ = ⑬ =
⑦ = ⑭ =
40 14
30
18 30
⑭ 仕上げ 答え
12
63
45
54
36 27 36
63 54
63 27
28 21
45 63
15 10
48 18
① = ⑥ =
② = ⑦ =
③ 6 = ⑧ =
④ 9 = ⑨ 7 =
⑤ = ⑩ 9 =
⑮ ⼒だめし
12
30 25
42
27 63
18 72
27
42 36 49
21 14
⑤ = ⑩ 7 =
④ = ⑨ 6 =
③ = ⑧ =
② = ⑦ =
① = ⑥ =
21
72
⑯ ⼒だめし
27
42 12
28
81 18
42 30
25
48 42 30
45 20
③ = ⑥ =
9
9 1 2
5
2 4
② = ⑤ =
7 7
④ =
6 8
5
2 次の分数の分母と分子を9でわって、約分しましょう。
（うすい字や線はなぞりましょう。）
5 3
① =
③ = ⑥ =
4
5 6
3 4
9
2 6 1
= ④ =
8
② = ⑤ =
3 7
①
27
① 例題 答え
8 549
やくぶん
72
3 8
48 18
30 122
5
24 18
36
30 24
5
546
45
2
637
18
81
63 36
45 18
3 4
1 6 4 5
1 9
4 7 2 5
③ = ⑥ =
7
6 3
4
9 1 5
② = ⑤ =
9 8
④ =
5 9
5
2 次の分数の分母と分子を9でわって、約分しましょう。
（うすい字や線はなぞりましょう。）
2 7
① =
③ = ⑥ =
7
8 9
4 6 1
6
3 2
= ④ =
3
② = ⑤ =
2 5
①
54
12
63
② 確認 答え
3 366
やくぶん
81
7 9
18 12
48 183
8
42 24
54
30
2
455
18
1
819
63
72 45
36 27
4 7
2 9 1 5
6 7
5 8 3 4
③ = ⑥ =
4
3 5
8
2 9 1
② = ⑤ =
3 5
④ =
7 9
4
2 次の分数の分母と分子を9でわって、約分しましょう。
（うすい字や線はなぞりましょう。）
4 2
① =
③ = ⑥ =
4
8 6
3 6 1
7
7 5
= ④ =
9
② = ⑤ =
5 2
①
18 27
30
18
③ 確認 答え
9 427
やくぶん
81
2 9
54 30
48 427
8
24 18
36
24
4
637
36
2
273
36
45
72 45
3 4
5 6 1 4
3 4
1 5 5 8
③ = ⑥ =
6
5 8
9
9 1 2
② = ⑤ =
8 3
④ =
7 7
9
2 次の分数の分母と分子を9でわって、約分しましょう。
（うすい字や線はなぞりましょう。）
3 5
① =
③ = ⑥ =
9
5 6
6 1 4
7
4 5
= ④ =
3
② = ⑤ =
2 2
①
18 24
45
30
45
④ 確認 答え
3 427
やくぶん
63
5 7
18 12
30 244
5
54
36
54
3
637
27
1
728
54
27
81 72
1 9
5 6 4 9
5 6
2 3 8 9
3 5
6 9 1
⑦ = ⑭ =
7
⑥ = ⑬ =
9
9
2 6 1
7
9 1 7
⑤ = ⑫ =
5
④ = ⑪ =
4
5
3 4
4
5 3
③ = ⑩ =
9
② = ⑨ =
7
6 6 1
= =
8 3
⑤ 定着 答え
488
6
637
54
81 45
24 18
45
54 12
27 63 36 24 27
30
42 36
30 18
81 63
5 9
3 4
1 5
2 9
6 7
3
1 4
3 5
4 7
7 9
1 5
1 3
9 5
9 1 2
⑦ = ⑭ =
3
⑥ = ⑬ =
8
2
7 2
7
5 6 1
⑤ = ⑫ =
8
④ = ⑪ =
7
4
6 3
3
4 3
③ = ⑩ =
7
② = ⑨ =
4
3 6 1
= =
5 5
12
18 45
⑥ 定着 答え
305
3
364
27
63 36
63 54
72
48 42
81 63 27 18 45
30
27
24 18
12
4 7
6 7
5 8
7 8
1 3
5
1 3
3 4
3 7
1 2
2 5
2 9
3 7
8 2
⑦ = ⑭ =
9
⑥ = ⑬ =
7
9
6 5
7
3 4
⑤ = ⑫ =
4
④ = ⑪ =
9
5
9 1 2
6
2 9 1
③ = ⑩ =
5
② = ⑨ =
8
7 5
= =
3 7
24 45
48
45
18 27
⑦ 定着 答え
183
7
488
42
45 18
81
36
42 36
27 42 12 54 42
63
54
45
54
2 5
1 9
3 4
6 7
8 9
7
5 6
1 5
2 7
4 9
5 7
2 3
5 9
6 1 3
⑦ = ⑭ =
4
⑥ = ⑬ =
7
6
6 2
2
3 9 1
⑤ = ⑫ =
8
④ = ⑪ =
4
5
3 9 1
9
2 2
③ = ⑩ =
9
② = ⑨ =
4
9 1 7
= =
7 8
12
27
42
18
18 27
⑧ 定着 答え
427
1
364
54 12
36
72
42 36
30 18 54 48
81
24
30
54
2 9
3 4
3 8
6 7
1 4
8
7 9
2 5
1 2
1 6
2 9
3 5
9 3
2 5
⑦ = ⑭ =
3
⑥ = ⑬ =
8
9
9 1 2
4
4 8
⑤ = ⑫ =
7
④ = ⑪ =
8
7
3 6 1
5
4 6
③ = ⑩ =
9
② = ⑨ =
6
5 2
= =
2 8
12
48 45
54
18
18
18
30 24
⑨ 定着 答え
182
5
546
54 24
48
42
72
54 24 45 48
27
18
63
54
4 9
3 8
4 7
1 8
2 3
8
2 5
6 7
1 4
8 9
2 3
5 9
9 6
4 5
⑦ = ⑭ =
9
⑥ = ⑬ =
6
6
9 1 5
3
5 9 1
⑤ = ⑫ =
8
④ = ⑪ =
7
8
5 6 1
8
6 1 3
③ = ⑩ =
2
② = ⑨ =
4
3 3
= =
3 7
⑩ 仕上げ 答え
28 21
12
42 30
54
63 35 18
54 42
40 25
40 15
36 30 27
81 36
72 27
3
3 4
1 2
5 7
5 8
1 6
4 9
7
3 8
3 8
1 3
1 6
5 6 5 9
9 8
5 4
⑦ = ⑭ =
6
⑥ = ⑬ =
3
2
2 5
9
7 9 1
⑤ = ⑫ =
8
④ = ⑪ =
4
7
3 4
6
7 1 2
③ = ⑩ =
6
② = ⑨ =
5
2 5
= =
9 9
12
24
⑪ 仕上げ 答え
30 12
42
36 27
18
81 36 54
18 54
72 63
49 14
40 25 81
30 25
36 30
9
2 5
1 6
3 4
7 8
2 3
5 6
9
5 6
2 7
4 9
1 2
5 8 4 9
7 2
4 5
⑦ = ⑭ =
9
⑥ = ⑬ =
3
6
9 1 9 1
9
5 5
⑤ = ⑫ =
8
④ = ⑪ =
8
8
7 7
3
3 3
③ = ⑩ =
4
② = ⑨ =
9
2 2
= =
6 5
27
30 42
⑫ 仕上げ 答え
81 18
36
40 35
27
49 35 54
36 30
48 30
40 15
18 42
54 24
27 18
6
2 9
3 4
7 8
5 8
1 3
4 9
5
2 3
3 8
7 9
5 6
1 2 5 7
7 3
4 6
⑦ = ⑭ =
7
⑥ = ⑬ =
5
9
2 9 1
3
3 7
⑤ = ⑫ =
7
④ = ⑪ =
8
5
6 1 2
7
9 1 4
③ = ⑩ =
2
② = ⑨ =
9
4 4
= =
5 9
14
42 18
⑬ 仕上げ 答え
54 24
18
48
35
35 30 27
54 54
63 27
35 28
27 25
42 24
63 36
5
4 9
1 2
1 8
3 7
2 5
4 7
9
4 7
4 5
2 3
7 9
1 3 6 7
4 9
2 3
⑦ = ⑭ =
3
⑥ = ⑬ =
9
7
5 8
6
3 2
⑤ = ⑫ =
7
④ = ⑪ =
5
4
9 1 5
8
2 3
③ = ⑩ =
9
② = ⑨ =
2
6 1 3
= =
7 9
40 14
30
18 30
⑭ 仕上げ 答え
12
63
45
54
36 27 36
63 54
63 27
28 21
45 63
15 10
48 18
7
1 2
2 9
1 5
3 7
5 9
2 3
9
3 8
3 4
5 6
2 7
8 9 3 4
2 9
3 9 1
⑤ = ⑩ =
8
④ = ⑨ =
3
6
7 7
9 1 7 1
③ 6 = 1 ⑧ =
5 2
② = ⑦ =
6 3
① = ⑥ =
2 7
⑮ ⼒だめし 答え
12
30 25
42
27 63
18 72
27
42 36 49
21 14
3 8 1 3 1 7 5 6 2
1 2 1 9 6 7 2 3 7
6 3
5 7 1
⑤ = ⑩ =
6
④ = ⑨ =
9
7
4 8
8 6 1
③ = 3 ⑧ =
2 4
② = ⑦ =
7 9
① = ⑥ =
3 5
21
72
⑯ ⼒だめし 答え
27
42 12
28
81 18
42 30
25
48 42 30
45 20
5 6 8 9 3 4 2 7 3
1 6 1 3 7 8 4 9 5
