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분수 2자리 (분모가 같은)

1
1 50
+
2 50
=
3 50
2
2 50
+
1 50
=
3 50
3
1 13
+
3 13
=
4 13
4
3 34
+
4 34
=
7 34
5
1 24
+
2 24
=
3 24
1
+
2
=
1 8
6
7 20
+
2 20
=
9 20
7
2 62
+
3 62
=
5 62
8
3 52
+
1 52
=
4 52
3
+
1
=
1 13
9
1 49
+
3 49
=
4 49
10
5 13
+
2 13
=
7 13
11
2 84
+
6 84
=
8 84
2
+
6
=
2 21
12
6 11
+
5 11
=
11 11
6
+
5
=
1 1
13
5 88
+
6 88
=
11 88
5
+
6
=
1 8
14
6 52
+
2 52
=
8 52
6
+
2
=
2 13
15
2 42
+
4 42
=
6 42
2
+
4
=
1 7