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분수 2자리 (분모가 같은)

1
3 37
+
1 37
=
4 37
2
1 80
+
3 80
=
4 80
1
+
3
=
1 20
3
3 76
+
6 76
=
9 76
4
6 36
+
4 36
=
10 36
6
+
4
=
5 18
5
4 94
+
3 94
=
7 94
6
3 85
+
7 85
=
10 85
3
+
7
=
2 17
7
7 41
+
1 41
=
8 41
8
1 61
+
3 61
=
4 61
9
3 15
+
9 15
=
12 15
3
+
9
=
4 5
10
9 71
+
6 71
=
15 71
11
6 56
+
2 56
=
8 56
6
+
2
=
1 7
12
2 35
+
5 35
=
7 35
2
+
5
=
1 5
13
5 52
+
8 52
=
13 52
5
+
8
=
1 4
14
8 21
+
4 21
=
12 21
8
+
4
=
4 7
15
4 42
+
6 42
=
10 42
4
+
6
=
5 21
▲