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분수 2자리 (분모가 같은)

1
7 74
+
3 74
=
10 74
7
+
3
=
5 37
2
3 94
+
4 94
=
7 94
3
4 74
+
3 74
=
7 74
4
3 63
+
6 63
=
9 63
3
+
6
=
1 7
5
6 40
+
7 40
=
13 40
6
7 25
+
2 25
=
9 25
7
2 48
+
5 48
=
7 48
8
5 10
+
6 10
=
11 10
9
6 51
+
9 51
=
15 51
6
+
9
=
5 17
10
9 19
+
5 19
=
14 19
11
5 91
+
1 91
=
6 91
12
1 13
+
2 13
=
3 13
13
2 34
+
4 34
=
6 34
2
+
4
=
3 17
14
4 72
+
2 72
=
6 72
4
+
2
=
1 12
15
2 78
+
4 78
=
6 78
2
+
4
=
1 13