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분수 2자리 (분모가 같은)

1
7 12
+
4 12
=
11 12
2
5 20
+
4 20
=
9 20
3
4 55
+
1 55
=
5 55
4
+
1
=
1 11
4
1 22
+
9 22
=
10 22
1
+
9
=
5 11
5
9 61
+
4 61
=
13 61
6
4 14
+
5 14
=
9 14
7
5 80
+
1 80
=
6 80
5
+
1
=
3 40
8
1 85
+
2 85
=
3 85
9
2 24
+
6 24
=
8 24
2
+
6
=
1 3
10
6 23
+
4 23
=
10 23
11
4 65
+
1 65
=
5 65
4
+
1
=
1 13
12
1 23
+
6 23
=
7 23
13
6 13
+
2 13
=
8 13
14
2 57
+
4 57
=
6 57
2
+
4
=
2 19
15
1 14
+
2 14
=
3 14