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분수 2자리 (분모가 같은)

1
4 81
+
3 81
=
7 81
2
8 23
+
3 23
=
11 23
3
3 94
+
8 94
=
11 94
4
8 15
+
4 15
=
12 15
8
+
4
=
4 5
5
4 72
+
3 72
=
7 72
6
3 54
+
1 54
=
4 54
3
+
1
=
2 27
7
1 14
+
7 14
=
8 14
1
+
7
=
4 7
8
7 92
+
9 92
=
16 92
7
+
9
=
4 23
9
9 82
+
4 82
=
13 82
10
4 23
+
9 23
=
13 23
11
9 21
+
6 21
=
15 21
9
+
6
=
5 7
12
6 28
+
5 28
=
11 28
13
5 51
+
2 51
=
7 51
14
1 52
+
6 52
=
7 52
15
6 14
+
4 14
=
10 14
6
+
4
=
5 7