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분수: 분모가 다른 덧셈3분수6

1
3 6
+
4 2
=
15 6
3
+
4
=
5 2
2
4 2
+
2 4
=
10 4
4
+
2
=
5 2
3
2 4
+
1 3
=
10 12
2
+
1
=
5 6
4
1 3
+
3 4
=
13 12
5
1 4
+
4 7
=
23 28
6
7 4
+
4 2
=
15 4
7
4 2
+
9 5
=
38 10
4
+
9
=
19 5
8
9 5
+
3 6
=
69 30
9
+
3
=
23 10
9
6 3
+
2 2
=
18 6
6
+
2
=
3
10
4 2
+
1 3
=
14 6
4
+
1
=
7 3
11
3 5
+
2 6
=
28 30
3
+
2
=
14 15
12
2 6
+
5 2
=
17 6
13
5 2
+
3 4
=
13 4
14
8 4
+
4 3
=
40 12
8
+
4
=
10 3
15
4 3
+
9 4
=
43 12