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분수 2자리 (분모가 같은)

1
7 51
+
5 51
=
12 51
7
+
5
=
4 17
2
3 15
+
4 15
=
7 15
3
4 45
+
5 45
=
9 45
4
+
5
=
1 5
4
5 10
+
2 10
=
7 10
5
2 28
+
4 28
=
6 28
2
+
4
=
3 14
6
4 78
+
6 78
=
10 78
4
+
6
=
5 39
7
6 11
+
7 11
=
13 11
8
7 84
+
3 84
=
10 84
7
+
3
=
5 42
9
3 23
+
6 23
=
9 23
10
6 23
+
2 23
=
8 23
11
2 73
+
7 73
=
9 73
12
7 82
+
2 82
=
9 82
13
2 94
+
9 94
=
11 94
14
4 59
+
2 59
=
6 59
15
2 62
+
6 62
=
8 62
2
+
6
=
4 31