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분수: 분모가 다른 덧셈2분수0

1
6 3
+
2 2
=
18 6
6
+
2
=
3
2
2 2
+
4 9
=
26 18
2
+
4
=
13 9
3
4 9
+
2 5
=
38 45
4
2 5
+
5 4
=
33 20
5
4 5
+
7 9
=
71 45
6
7 9
+
1 8
=
65 72
7
1 5
+
4 3
=
23 15
8
4 3
+
2 2
=
14 6
4
+
2
=
7 3
9
2 8
+
1 6
=
10 24
2
+
1
=
5 12
10
8 3
+
5 2
=
31 6
11
5 2
+
6 8
=
26 8
5
+
6
=
13 4
12
6 8
+
1 7
=
50 56
6
+
1
=
25 28
13
1 7
+
9 5
=
68 35
14
5 9
+
9 3
=
32 9
15
3 6
+
1 3
=
5 6