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분수: 분모가 다른 덧셈7분수3

1
7 3
+
5 5
=
50 15
7
+
5
=
10 3
2
6 5
+
4 9
=
74 45
3
4 9
+
2 8
=
50 72
4
+
2
=
25 36
4
2 8
+
4 4
=
10 8
2
+
4
=
5 4
5
4 4
+
6 3
=
36 12
4
+
6
=
3
6
1 9
+
3 2
=
29 18
7
3 2
+
6 5
=
27 10
8
6 2
+
1 4
=
13 4
9
1 4
+
8 5
=
37 20
10
8 5
+
1 4
=
37 20
11
1 4
+
4 6
=
11 12
12
4 6
+
7 2
=
25 6
13
3 2
+
2 3
=
13 6
14
2 3
+
7 4
=
29 12
15
7 4
+
8 2
=
23 4