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분수 2자리 (분모가 같은)

1
4 15
+
8 15
=
12 15
4
+
8
=
4 5
2
8 45
+
2 45
=
10 45
8
+
2
=
2 9
3
2 45
+
6 45
=
8 45
4
6 23
+
5 23
=
11 23
5
5 36
+
6 36
=
11 36
6
6 18
+
7 18
=
13 18
7
7 61
+
3 61
=
10 61
8
3 96
+
2 96
=
5 96
9
2 44
+
4 44
=
6 44
2
+
4
=
3 22
10
4 68
+
2 68
=
6 68
4
+
2
=
3 34
11
4 29
+
3 29
=
7 29
12
3 53
+
1 53
=
4 53
13
1 99
+
3 99
=
4 99
14
3 34
+
4 34
=
7 34
15
4 24
+
1 24
=
5 24
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