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분수 2자리 (분모가 같은)

1
3 12
+
1 12
=
4 12
3
+
1
=
1 3
2
1 82
+
6 82
=
7 82
3
6 31
+
2 31
=
8 31
4
2 55
+
4 55
=
6 55
5
4 75
+
8 75
=
12 75
4
+
8
=
4 25
6
8 86
+
1 86
=
9 86
7
1 34
+
3 34
=
4 34
1
+
3
=
2 17
8
3 21
+
6 21
=
9 21
3
+
6
=
3 7
9
6 25
+
8 25
=
14 25
10
1 58
+
3 58
=
4 58
1
+
3
=
2 29
11
3 83
+
1 83
=
4 83
12
1 35
+
2 35
=
3 35
13
2 16
+
1 16
=
3 16
14
2 21
+
1 21
=
3 21
2
+
1
=
1 7
15
1 18
+
6 18
=
7 18