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분수 2자리 (분모가 같은)

1
4 34
+
3 34
=
7 34
2
3 78
+
1 78
=
4 78
3
+
1
=
2 39
3
2 11
+
3 11
=
5 11
4
3 57
+
2 57
=
5 57
5
2 19
+
3 19
=
5 19
6
4 35
+
1 35
=
5 35
4
+
1
=
1 7
7
7 81
+
1 81
=
8 81
8
1 54
+
3 54
=
4 54
1
+
3
=
2 27
9
3 13
+
7 13
=
10 13
10
7 72
+
1 72
=
8 72
7
+
1
=
1 9
11
1 31
+
3 31
=
4 31
12
3 24
+
9 24
=
12 24
3
+
9
=
1 2
13
9 63
+
2 63
=
11 63
14
2 52
+
1 52
=
3 52
15
1 21
+
8 21
=
9 21
1
+
8
=
3 7