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분수 2자리 (분모가 같은)

1
1 12
+
2 12
=
3 12
1
+
2
=
1 4
2
2 53
+
1 53
=
3 53
3
1 21
+
6 21
=
7 21
1
+
6
=
1 3
4
6 23
+
3 23
=
9 23
5
3 30
+
5 30
=
8 30
3
+
5
=
4 15
6
5 60
+
3 60
=
8 60
5
+
3
=
2 15
7
3 57
+
4 57
=
7 57
8
2 14
+
6 14
=
8 14
2
+
6
=
4 7
9
6 33
+
2 33
=
8 33
10
4 72
+
5 72
=
9 72
4
+
5
=
1 8
11
8 52
+
3 52
=
11 52
12
3 41
+
5 41
=
8 41
13
6 25
+
1 25
=
7 25
14
1 49
+
3 49
=
4 49
15
3 30
+
1 30
=
4 30
3
+
1
=
2 15