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분수 2자리 (분모가 같은)

1
5 23
+
8 23
=
13 23
2
8 45
+
5 45
=
13 45
3
5 68
+
1 68
=
6 68
5
+
1
=
3 34
4
5 41
+
4 41
=
9 41
5
4 28
+
1 28
=
5 28
6
1 58
+
3 58
=
4 58
1
+
3
=
2 29
7
3 52
+
4 52
=
7 52
8
4 21
+
2 21
=
6 21
4
+
2
=
2 7
9
2 35
+
1 35
=
3 35
10
1 61
+
5 61
=
6 61
11
5 53
+
6 53
=
11 53
12
6 84
+
1 84
=
7 84
6
+
1
=
1 12
13
4 11
+
8 11
=
12 11
14
8 31
+
3 31
=
11 31
15
3 42
+
9 42
=
12 42
3
+
9
=
2 7