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분수: 분모가 다른 덧셈2분수3

1
3 9
+
1 2
=
15 18
3
+
1
=
5 6
2
1 2
+
8 5
=
21 10
3
4 3
+
1 6
=
9 6
4
+
1
=
3 2
4
1 6
+
5 2
=
16 6
1
+
5
=
8 3
5
5 2
+
7 4
=
17 4
6
1 6
+
4 4
=
14 12
1
+
4
=
7 6
7
4 4
+
6 5
=
44 20
4
+
6
=
11 5
8
6 5
+
4 4
=
44 20
6
+
4
=
11 5
9
4 4
+
5 7
=
48 28
4
+
5
=
12 7
10
5 7
+
9 6
=
93 42
5
+
9
=
31 14
11
9 6
+
8 2
=
33 6
9
+
8
=
11 2
12
8 2
+
4 3
=
32 6
8
+
4
=
16 3
13
3 4
+
5 2
=
13 4
14
5 2
+
6 5
=
37 10
15
6 5
+
5 4
=
49 20