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분수 2자리 (분모가 같은)

1
4 36
+
5 36
=
9 36
4
+
5
=
1 4
2
5 42
+
9 42
=
14 42
5
+
9
=
1 3
3
9 84
+
7 84
=
16 84
9
+
7
=
4 21
4
7 41
+
4 41
=
11 41
5
4 42
+
6 42
=
10 42
4
+
6
=
5 21
6
6 15
+
5 15
=
11 15
7
5 63
+
9 63
=
14 63
5
+
9
=
2 9
8
9 23
+
1 23
=
10 23
9
1 52
+
9 52
=
10 52
1
+
9
=
5 26
10
9 43
+
8 43
=
17 43
11
1 68
+
4 68
=
5 68
12
4 82
+
9 82
=
13 82
13
9 92
+
8 92
=
17 92
14
8 47
+
4 47
=
12 47
15
4 50
+
3 50
=
7 50