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분수: 분모가 다른 덧셈3분수4

1
1 5
+
9 7
=
52 35
2
7 2
+
1 8
=
29 8
3
1 8
+
4 5
=
37 40
4
4 5
+
6 3
=
42 15
4
+
6
=
14 5
5
6 3
+
5 5
=
45 15
6
+
5
=
3
6
5 6
+
1 4
=
13 12
7
1 4
+
2 2
=
5 4
8
2 4
+
1 8
=
5 8
9
8 8
+
1 5
=
48 40
8
+
1
=
6 5
10
1 9
+
4 6
=
14 18
1
+
4
=
7 9
11
4 6
+
2 5
=
32 30
4
+
2
=
16 15
12
2 5
+
7 3
=
41 15
13
7 3
+
2 9
=
23 9
14
9 5
+
1 2
=
23 10
15
2 9
+
1 2
=
13 18