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분수 2자리 (분모가 같은)

1
3 68
+
4 68
=
7 68
2
4 45
+
9 45
=
13 45
3
9 81
+
5 81
=
14 81
4
5 20
+
3 20
=
8 20
5
+
3
=
2 5
5
3 91
+
5 91
=
8 91
6
8 35
+
3 35
=
11 35
7
3 85
+
2 85
=
5 85
3
+
2
=
1 17
8
2 52
+
1 52
=
3 52
9
1 82
+
5 82
=
6 82
1
+
5
=
3 41
10
5 12
+
4 12
=
9 12
5
+
4
=
3 4
11
4 64
+
3 64
=
7 64
12
3 56
+
4 56
=
7 56
3
+
4
=
1 8
13
4 20
+
6 20
=
10 20
4
+
6
=
1 2
14
6 42
+
3 42
=
9 42
6
+
3
=
3 14
15
3 28
+
4 28
=
7 28
3
+
4
=
1 4