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분수 2자리 (분모가 같은)

1
5 20
+
1 20
=
6 20
5
+
1
=
3 10
2
1 62
+
4 62
=
5 62
3
4 44
+
2 44
=
6 44
4
+
2
=
3 22
4
7 52
+
3 52
=
10 52
7
+
3
=
5 26
5
3 53
+
4 53
=
7 53
6
1 40
+
6 40
=
7 40
7
6 27
+
1 27
=
7 27
8
1 82
+
3 82
=
4 82
1
+
3
=
2 41
9
3 63
+
2 63
=
5 63
10
1 26
+
5 26
=
6 26
1
+
5
=
3 13
11
5 54
+
8 54
=
13 54
12
8 15
+
5 15
=
13 15
13
5 78
+
4 78
=
9 78
5
+
4
=
3 26
14
3 94
+
7 94
=
10 94
3
+
7
=
5 47
15
3 77
+
2 77
=
5 77
▲