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분수: 분모가 다른 덧셈2분수0

1
2 6
+
4 5
=
34 30
2
+
4
=
17 15
2
9 5
+
3 3
=
42 15
9
+
3
=
14 5
3
3 3
+
4 7
=
33 21
3
+
4
=
11 7
4
4 7
+
8 4
=
72 28
4
+
8
=
18 7
5
5 4
+
6 3
=
39 12
5
+
6
=
13 4
6
6 3
+
9 9
=
27 9
6
+
9
=
3
7
9 9
+
4 4
=
72 36
9
+
4
=
2
8
4 4
+
2 3
=
20 12
4
+
2
=
5 3
9
2 3
+
1 7
=
17 21
10
1 7
+
4 4
=
32 28
1
+
4
=
8 7
11
4 4
+
2 2
=
8 4
4
+
2
=
2
12
2 2
+
1 3
=
8 6
2
+
1
=
4 3
13
1 3
+
2 4
=
10 12
1
+
2
=
5 6
14
4 2
+
8 5
=
36 10
4
+
8
=
18 5
15
8 5
+
9 7
=
101 35