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분수 2자리 (분모가 같은)

1
4 90
+
6 90
=
10 90
4
+
6
=
1 9
2
6 32
+
4 32
=
10 32
6
+
4
=
5 16
3
4 18
+
2 18
=
6 18
4
+
2
=
1 3
4
2 53
+
5 53
=
7 53
5
2 50
+
7 50
=
9 50
6
7 48
+
9 48
=
16 48
7
+
9
=
1 3
7
9 62
+
4 62
=
13 62
8
4 30
+
1 30
=
5 30
4
+
1
=
1 6
9
1 49
+
9 49
=
10 49
10
2 89
+
5 89
=
7 89
11
5 38
+
1 38
=
6 38
5
+
1
=
3 19
12
2 11
+
5 11
=
7 11
13
5 61
+
3 61
=
8 61
14
3 73
+
4 73
=
7 73
15
4 36
+
2 36
=
6 36
4
+
2
=
1 6