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분수: 분모가 다른 덧셈2분수7

1
6 7
+
1 5
=
37 35
2
5 8
+
1 7
=
43 56
3
7 4
+
1 2
=
9 4
4
1 2
+
7 3
=
17 6
5
7 3
+
3 5
=
44 15
6
3 5
+
4 6
=
38 30
3
+
4
=
19 15
7
4 6
+
1 8
=
19 24
8
1 8
+
9 5
=
77 40
9
1 3
+
9 4
=
31 12
10
9 4
+
3 8
=
21 8
11
3 8
+
6 2
=
27 8
12
1 5
+
8 4
=
44 20
1
+
8
=
11 5
13
8 4
+
6 6
=
36 12
8
+
6
=
3
14
6 6
+
1 7
=
48 42
6
+
1
=
8 7
15
1 7
+
5 6
=
41 42