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분수 2자리 (분모가 같은)

1
2 30
+
1 30
=
3 30
2
+
1
=
1 10
2
1 79
+
3 79
=
4 79
3
7 33
+
5 33
=
12 33
7
+
5
=
4 11
4
5 94
+
3 94
=
8 94
5
+
3
=
4 47
5
3 16
+
6 16
=
9 16
6
6 53
+
8 53
=
14 53
7
8 39
+
2 39
=
10 39
8
2 10
+
6 10
=
8 10
2
+
6
=
4 5
9
6 57
+
2 57
=
8 57
10
1 42
+
2 42
=
3 42
1
+
2
=
1 14
11
2 82
+
9 82
=
11 82
12
9 72
+
8 72
=
17 72
13
8 64
+
5 64
=
13 64
14
5 23
+
7 23
=
12 23
15
7 45
+
1 45
=
8 45