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분수: 분모가 다른 덧셈3분수4

1
3 4
+
6 2
=
15 4
2
6 2
+
5 7
=
52 14
6
+
5
=
26 7
3
5 7
+
1 3
=
22 21
4
1 3
+
9 4
=
31 12
5
9 4
+
2 2
=
13 4
6
3 6
+
1 3
=
5 6
7
1 3
+
4 2
=
14 6
1
+
4
=
7 3
8
4 2
+
3 3
=
18 6
4
+
3
=
3
9
3 3
+
2 9
=
11 9
10
2 9
+
5 4
=
53 36
11
5 4
+
2 2
=
9 4
12
2 2
+
3 9
=
24 18
2
+
3
=
4 3
13
2 9
+
6 4
=
62 36
2
+
6
=
31 18
14
6 4
+
9 8
=
21 8
15
9 8
+
6 3
=
75 24
9
+
6
=
25 8