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분수: 분모가 다른 덧셈2분수6

1
2 4
+
1 6
=
8 12
2
+
1
=
2 3
2
6 9
+
1 2
=
21 18
6
+
1
=
7 6
3
1 2
+
6 6
=
9 6
1
+
6
=
3 2
4
6 6
+
3 3
=
12 6
6
+
3
=
2
5
3 3
+
2 5
=
21 15
3
+
2
=
7 5
6
1 4
+
5 6
=
13 12
7
5 6
+
3 5
=
43 30
8
3 5
+
6 2
=
36 10
3
+
6
=
18 5
9
6 2
+
4 7
=
50 14
6
+
4
=
25 7
10
4 7
+
3 2
=
29 14
11
2 5
+
1 7
=
19 35
12
1 7
+
3 3
=
24 21
1
+
3
=
8 7
13
6 3
+
5 9
=
23 9
14
5 9
+
1 5
=
34 45
15
1 5
+
4 4
=
24 20
1
+
4
=
6 5