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분수: 분모가 다른 덧셈3분수6

1
3 6
+
6 3
=
15 6
3
+
6
=
5 2
2
6 3
+
2 9
=
20 9
3
2 9
+
3 4
=
35 36
4
3 4
+
4 6
=
17 12
5
1 2
+
4 8
=
8 8
1
+
4
=
1
6
4 8
+
7 2
=
32 8
4
+
7
=
4
7
7 2
+
2 7
=
53 14
8
2 7
+
3 5
=
31 35
9
3 5
+
4 2
=
26 10
3
+
4
=
13 5
10
2 3
+
1 5
=
13 15
11
1 5
+
5 7
=
32 35
12
5 7
+
1 2
=
17 14
13
1 2
+
6 3
=
15 6
1
+
6
=
5 2
14
6 3
+
3 4
=
33 12
6
+
3
=
11 4
15
3 4
+
8 5
=
47 20