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분수 2자리 (분모가 같은)

1
2 78
+
1 78
=
3 78
2
+
1
=
1 26
2
1 33
+
9 33
=
10 33
3
9 51
+
5 51
=
14 51
4
4 45
+
5 45
=
9 45
4
+
5
=
1 5
5
5 28
+
1 28
=
6 28
5
+
1
=
3 14
6
1 14
+
2 14
=
3 14
7
2 65
+
4 65
=
6 65
8
4 57
+
2 57
=
6 57
4
+
2
=
2 19
9
2 51
+
3 51
=
5 51
10
3 69
+
5 69
=
8 69
11
5 59
+
4 59
=
9 59
12
5 40
+
9 40
=
14 40
5
+
9
=
7 20
13
9 35
+
1 35
=
10 35
9
+
1
=
2 7
14
7 51
+
1 51
=
8 51
15
1 73
+
3 73
=
4 73