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분수 2자리 (분모가 같은)

1
3 78
+
1 78
=
4 78
3
+
1
=
2 39
2
1 77
+
3 77
=
4 77
3
3 73
+
1 73
=
4 73
4
1 74
+
3 74
=
4 74
1
+
3
=
2 37
5
3 53
+
8 53
=
11 53
6
8 72
+
3 72
=
11 72
7
3 43
+
9 43
=
12 43
8
9 46
+
5 46
=
14 46
9
+
5
=
7 23
9
2 95
+
5 95
=
7 95
10
5 75
+
6 75
=
11 75
11
7 63
+
8 63
=
15 63
7
+
8
=
5 21
12
8 92
+
1 92
=
9 92
13
1 15
+
8 15
=
9 15
1
+
8
=
3 5
14
8 63
+
3 63
=
11 63
15
3 30
+
1 30
=
4 30
3
+
1
=
2 15