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분수: 분모가 다른 덧셈2분수6

1
2 6
+
1 2
=
5 6
2
2 6
+
1 7
=
20 42
2
+
1
=
10 21
3
1 7
+
2 5
=
19 35
4
2 5
+
4 3
=
26 15
5
3 4
+
8 3
=
41 12
6
8 3
+
3 8
=
73 24
7
3 8
+
1 5
=
23 40
8
5 2
+
1 4
=
11 4
9
1 5
+
8 4
=
44 20
1
+
8
=
11 5
10
8 4
+
6 5
=
64 20
8
+
6
=
16 5
11
6 5
+
1 7
=
47 35
12
1 7
+
3 5
=
26 35
13
5 3
+
2 9
=
17 9
14
2 9
+
3 6
=
13 18
15
3 6
+
5 4
=
21 12
3
+
5
=
7 4