② = ⑤ =
=
2 次の分数の分母と分子を7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 7
① = ④ =
4
③ = ⑥
⑤ =
⑥ =
= 2 5
② =
③ =
① 3 ④ =
① 例題
2
3 15
1 3
やくぶん
14
1 2
15 10
30 255
6
40 35
25 20
45 10
3
284
21
3
568
21
49 28
35 21
63 35
② = ⑤ =
① 7
5 5
= ④ =
8
2 次の分数の分母と分子を7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。)
6 7
① =
③ = ⑥ =
④ =
7
② = ⑤ =
③ = ⑥ 7 =
15
② 確認
7
8 25
3 5
やくぶん
56
1 8
40 35
10
1 2
30
45 25
35 15
6
497
42
4
639
28
35 14
56 21
63
② = ⑤ =
① = 1 ④ =
3 5
2 次の分数の分母と分子を7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。)
7 1
① =
③ = ⑥ =
④ =
6
② = ⑤ =
③ = ⑥ 7 =
20
③ 確認
1
3 35
4 7
やくぶん
35
4 5
15 15
2
3 45
10
40 15
1
426 2
639
14
56 21
56 49
14 10
40 25
28
② = ⑤ =
① 3
5
= ④ =
7
2 次の分数の分母と分子を7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
③ = ⑥ =
④ =
9
② 7 = ⑤ =
③ = ⑥ =
10
④ 確認
3
7 25
2 5
やくぶん
56
7 8
35 40
1
8 25
15
40 35
5
639 1
284
21 14
49 42 15
10
49 15
35
56 35
=
⑬ 7 =
⑩ =
⑪ =
⑨ =
⑥ =
④ =
⑦ =
⑫ =
⑭
⑤ =
③ =
② =
= 9 ⑧ =
① 2
⑤ 定着
2
459
10
5
497
35
63 14
35 15
40 25
35 14
49 28
20 15 49 28 21
35 25 40 35 42 35 63 36
⑦ = ⑭ 5 =
⑥ = ⑬ =
⑤ = ⑫ =
④ = ⑪ =
③ 5 = ⑩ =
② = ⑨ =
2 7
① = ⑧ =
3
⑥ 定着
2
153
10
3
355
21
40
35 10
21 14
63 49
35 14
10 25 20
35 15 35 14 40 15 28
49 14
⑦ = ⑭ =
⑥ = ⑬ 5 =
⑤ = ⑫ =
④ 7 = ⑪ 5 =
③ = ⑩ =
② = ⑨ =
7 1 7
① = ⑧ =
9
⑦ 定着
1
639
3
204
15
21
40 15
49 21
15 10
10
63 56 35 14 63 14 56
30 35
25
30 25
⑦ = ⑭ 5 =
⑥ = ⑬ =
⑤ 7 = ⑫ =
④ = ⑪ 5 =
③ 5 = ⑩ =
② = ⑨ =
① = ⑧ 7 =
⑧ 定着
35 14
21
49 35
63 56
20
45 20 21 14 30 25 14
35
10 15
10
45 40
63 35
⑦ = ⑭ =
⑥ = ⑬ =
⑤ = ⑫ =
④ = ⑪ =
5 7
③ = ⑩ =
② = ⑨ =
7 7
① = ⑧ =
⑨ 定着
35 10
35 21
63 14
63 28 56 49 14 28
20 21
56 35
15 10 20
15
25 15
25 10
① = ⑧ =
② = ⑨ =
③ = ⑩ 6 =
9
④ = ⑪ =
⑤ 5 = ⑫ =
⑥ = ⑬ 2 =
⑦ = ⑭ =
⑩ 仕上げ
15 10
14 10
21 12
35 28
10
25 20
63 49
40 15 12 21 14
40 35 49 28 25 15
⑦ = ⑭ =
⑥ = ⑬ 6 =
⑤ = ⑫ =
④ = ⑪ =
4
5 2
③ = ⑩ =
② = ⑨ =
7 2
① = ⑧ =
⑪ 仕上げ
21
45 35
24 15
20
35 21
63 28
45 25 21 20 15 49 14 16
21 14
35 25
⑦ = ⑭ =
⑥ = ⑬ =
7 6
⑤ = ⑫ =
④ = ⑪ =
③ 8 = ⑩ =
② 5 = ⑨ 3 =
6 5
① = ⑧ =
⑫ 仕上げ
16
15
10
20 15
63 35
56 21 10 12 10
21
28 21
27 21
45 35
35 14
⑦ = ⑭ 5 =
⑥ 7 = ⑬ 3 =
⑤ 7 = ⑫ =
④ = ⑪ =
8 6
③ 3 = ⑩ =
② = ⑨ =
① = ⑧ 6 =
⑬ 仕上げ
21
63
35 14
30 16
14
15 10
45 20
12 35
14
40 15
49 28
45 35
⑦ = ⑭ =
⑥ = ⑬ 7 =
7 8
⑤ = ⑫ =
④ = ⑪ =
③ 2 = ⑩ =
② = ⑨ =
9 6
① = ⑧ =
⑭ 仕上げ
16
56 21
63 56
27 12
28 14
12
25 10
14 14
25 10
30 25
45 40
49 28
① = 9
⑥ =
② = ⑦ =
③ = ⑧ =
④ = ⑨ =
⑤ = ⑩ =
⑮ ⼒だめし
28 21
63 49
25 10
14 12
45 20
24 15 20 15 24
63 35
21 14
7 5
① = ⑥ =
② = ⑦ =
③ = ⑧ 2 =
④ = ⑨ 7 =
⑤ = ⑩ =
⑯ ⼒だめし
42
27 21
20 15
35 14
14
45 20 56 35 10
45 40
14
② = ⑤ =
2 5 1
①
7 2
3
5 4
= ④ =
3
8
6 5
2 9
2 次の分数の分母と分子を7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 7 1
① =
③ = ⑥ =
④ =
4
② = ⑤ =
8
5 9
3 3
5
③ = ⑥ =
7 4
① 例題 答え
2
3 15
1 3
やくぶん
14
1 2
15 10
30 255
6
40 35
25 20
45 10
3
284
21
3
568
21
49 28
35 21
63 35
7 8
2 9 4 5
3 5 5 9 4
7
② = ⑤ =
7 3
①
5 1 3
5
5 1 5
= ④ =
8
6
2 9
8 7
2 次の分数の分母と分子を7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。)
6 7 1
① =
③ = ⑥ =
④ =
7
② = ⑤ =
9
1 9
4 3
8
③ = ⑥ =
5
2 7
15
② 確認 答え
7
8 25
3 5
やくぶん
56
1 8
40 35
10
1 2
30
45 25
35 15
6
497
42
4
639
28
35 14
56 21
63
1 6
5 9 3 7
2 5
1 9 3 8
② = ⑤ =
1 4
①
5 3
7
2 2
= ④ =
3 5
8
3 9
5 8
2 次の分数の分母と分子を7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。)
7 1 4
① =
③ = ⑥ =
④ =
6
② = ⑤ =
9
1 2
2 7
8
③ = ⑥ =
8
3 7
20
③ 確認 答え
1
3 35
4 7
やくぶん
35
4 5
15 15
2
3 45
10
40 15
1
426 2
639
14
56 21
56 49
14 10
40 25
28
5 8
2 9 3 8
3 8
7 8 1 2
② = ⑤ =
3 2
①
2 7
5
5 1 3
= ④ =
7
3
8 5
8 8
2 次の分数の分母と分子を7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 7
① =
③ = ⑥ =
④ =
9
② = ⑤ =
4
5 8
7 1 6
7
③ = ⑥ =
3 2
10
④ 確認 答え
3
7 25
2 5
やくぶん
56
7 8
35 40
1
8 25
15
40 35
5
639 1
284
21 14
49 42 15
10
49 15
35
56 35
2 3
3 5 7 8
2 3
6 7 5 8
5
2 4
① = ⑧ =
9 7
② = ⑨ =
7 5
③ = ⑩ =
9
6
2 7
8
3 3
④ = ⑪ =
7
⑤ = ⑫ =
8
4
5 5
7
2 7 1
⑥ = ⑬ =
5
⑦ = ⑭ =
7 4
7
4 3
⑤ 定着 答え
2
459
10
5
497
35
63 14
35 15
40 25
35 14
49 28
20 15 49 28 21
35 25 40 35 42 35 63 36
2 9
3 7
5 8
2 5
4 7
4 7
5 6
7 8
3 4
5 7
1 7 3 4
2 7
2 5 1
⑦ = ⑭ =
5
⑥ = ⑬ =
9
7
7 2
5
2 3
⑤ = ⑫ =
3
④ = ⑪ =
7
5
2 4
8
5 1 2
③ = ⑩ =
8
② = ⑨ =
5
3 3
2 7 1
① = ⑧ =
3 4
⑥ 定着 答え
2
153
10
3
355
21
40
35 10
21 14
63 49
35 14
10 25 20
35 15 35 14 40 15 28
49 14
1 8
2 7
2 3
7 9
2 5
1 4
3 8
2 5
4 5
3 7
2 7
1 2
6 6
2 5
⑦ = ⑭ =
3
⑥ = ⑬ =
7
9
3 5 1
2
3 8
⑤ = ⑫ =
8
④ = ⑪ =
3
5
7 1 5 1
9
5 2
③ = ⑩ =
7
② = ⑨ =
4
3 2
7 1 7 1
① = ⑧ =
9 8
⑦ 定着 答え
1
639
3
204
15
21
40 15
49 21
15 10
10
63 56 35 14 63 14 56
30 35
25
30 25
5 7
1 3
3 8
3 7
2 3
1 8
2 9
2 5
1 2
8 9
1 6
5 6
2 9
8 5 1
⑦ = ⑭ =
9
⑥ = ⑬ =
7
9
5 5
4
7 1 4
⑤ = ⑫ =
3
④ = ⑪ =
9
3
8 5 1
6
5 1 2
③ = ⑩ =
7
② = ⑨ =
5
2 5
2 7 1
① = ⑧ =
3 2
⑧ 定着 答え
35 14
21
49 35
63 56
20
45 20 21 14 30 25 14
35
10 15
10
45 40
63 35
2 3
2 5
1 7
8 9
1 3
5 7
8 9
1 2
5 6
2 3
1 4
4 9
5 9
1 2
5 3
2 2
⑦ = ⑭ =
9
⑥ = ⑬ =
5
9
3 2
5
3 4
⑤ = ⑫ =
4
④ = ⑪ =
8
8
5 3
7
5 1 7 1
③ = ⑩ =
4
② = ⑨ =
7
2 2
7 1 7 1
① = ⑧ =
3 4
⑨ 定着 答え
35 10
35 21
63 14
63 28 56 49 14 28
20 21
56 35
15 10 20
15
25 15
25 10
1 3
2 7
1 4
5 8
3 4
3 5
2 9
1 4
2 7
1 8
3 5
4 9
2 3
2 5
8 6
7 3
⑦ = ⑭ =
9
⑥ = ⑬ =
5
8
4 2 1
3
5 1 7
⑤ = ⑫ =
2
④ = ⑪ =
5
3
4 2
7
4 6 2
③ = ⑩ =
7 9
② = ⑨ =
7
5 4
2 3
① = ⑧ =
3 5
⑩ 仕上げ 答え
15 10
14 10
21 12
35 28
10
25 20
63 49
40 15 12 21 14
40 35 49 28 25
2 15
3
5 7
4 7
4 5
1 2
4 5
3 5
4 7
2 3
2 3
7 8
1 6
7 9
3 8
9 7
4 5
⑦ = ⑭ =
9
⑥ = ⑬ =
5
4
3 6 2
2
2 3
⑤ = ⑫ =
3
④ = ⑪ =
4 4
7
5 1 2 1
7
5 5
③ = ⑩ =
8
② = ⑨ =
9
7 2
7 1 2 1
① = ⑧ =
3 8
⑪ 仕上げ 答え
21
45 35
24 15
20
35 21
63 28
45 25 21 20 15 49 14 16
21 14
35 25
1 3
7 9
5 8
1 4
2 3
3 5
1 8
2 7
5 7
1 2
3 4
2 7
4 9
4 5
8 5
5 3
⑦ = ⑭ =
9
⑥ = ⑬ =
4
5
3 2
9
7 1 6 3
⑤ = ⑫ =
3
④ = ⑪ =
9
4
7 7
4
8 4 3
③ = ⑩ =
5
② = ⑨ =
3
5 1 3 1
6 3 5 1
① = ⑧ =
8 2
⑫ 仕上げ 答え
16
15
10
20 15
63 35
56 21 10 12 10
21
28 21
27 21
45 35
35 14
3 8
1 3
4 5
7 9
1 3
3 4
1 2
1 4
3 4
7 9
3 5
2 5
5 9
3 8
6 4
2 5 1
⑦ = ⑭ =
5
⑥ = ⑬ =
9
9
7 1 3 1
4
7 1 7
⑤ = ⑫ =
2
④ = ⑪ =
9 8
3
4 6 3
7
3 1 2
③ = ⑩ =
7
② = ⑨ =
8
3 4
2 6 3
① = ⑧ =
5 8
⑬ 仕上げ 答え
21
63
35 14
30 16
14
15 10
45 20
12 35
14
40 15
49 28
45 35
2 5
3 8
1 7
4 9
1 2
1 9
3 8
4 7
2 3
3 4
7 9
1 4
2 5
1 6
7 4
3 4
⑦ = ⑭ =
8
⑥ = ⑬ =
5
7
2 7 1
9
7 1 8 4
⑤ = ⑫ =
2
④ = ⑪ =
9
9
4 8
3
2 1 8
③ = ⑩ =
8
② = ⑨ =
5 9
2 6 2
6 5
① = ⑧ =
7 6
⑭ 仕上げ 答え
16
56 21
63 56
27 12
28 14
12
25 10
14 14
25 10
30 25
45 40
49 28
6 7
2 5
1 8
4 9
1 2
2 5
5 6
2 3
8 9
8 9
4 7
1 4
3 8
4 7
8 9
5 5
⑤ = ⑩ =
9
④ = ⑨ =
7
2
5 3
6 4
③ = 2 ⑧ =
7 3
② = ⑦ =
9 4
3 9 3
① = ⑥ =
4 8
⑮ ⼒だめし 答え
28 21
63 49
25 10
14 12
45 20
24 15 20 15 24
63 35
21 14
3 4
7 9
3 8
3 4
2 5
6 7
2 3
4 9
5 9
5 8
7 1 5 1
① = ⑥ =
6 2
7 5
② = ⑦ =
9
③ = ⑧ =
8
3 2 1
4 7
2 7 1
④ = ⑨ =
5
⑤ = ⑩ =
9 9
2
8 4
⑯ ⼒だめし 答え
42
27 21
20 15
35 14
14
45 20 56 35 10
45 40
14
1 6
7 9
3 4
2 5
8 9
1 2
5 8
1 7
1 2
4 9