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분수: 분모가 다른 덧셈3분수3

1
3 3
+
2 4
=
18 12
3
+
2
=
3 2
2
2 4
+
6 3
=
30 12
2
+
6
=
5 2
3
6 3
+
3 6
=
15 6
6
+
3
=
5 2
4
3 6
+
4 7
=
45 42
3
+
4
=
15 14
5
1 6
+
7 5
=
47 30
6
5 6
+
1 5
=
31 30
7
1 5
+
7 2
=
37 10
8
7 2
+
6 3
=
33 6
7
+
6
=
11 2
9
1 3
+
9 4
=
31 12
10
9 4
+
1 6
=
29 12
11
3 6
+
9 3
=
21 6
3
+
9
=
7 2
12
9 3
+
7 6
=
25 6
13
7 6
+
2 5
=
47 30
14
2 5
+
1 3
=
11 15
15
1 3
+
8 4
=
28 12
1
+
8
=
7 3