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분수: 분모가 다른 덧셈3분수7

1
3 7
+
5 3
=
44 21
2
7 3
+
3 4
=
37 12
3
3 4
+
4 6
=
17 12
4
4 6
+
5 3
=
14 6
4
+
5
=
7 3
5
5 3
+
8 6
=
18 6
5
+
8
=
3
6
8 6
+
5 3
=
18 6
8
+
5
=
3
7
5 3
+
6 4
=
38 12
5
+
6
=
19 6
8
6 4
+
8 7
=
74 28
6
+
8
=
37 14
9
8 7
+
3 4
=
53 28
10
3 4
+
7 2
=
17 4
11
7 5
+
1 4
=
33 20
12
6 5
+
4 3
=
38 15
13
4 3
+
5 6
=
13 6
14
6 2
+
1 8
=
25 8
15
1 8
+
6 2
=
25 8