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분수: 분모가 다른 덧셈3분수9

1
3 9
+
6 5
=
69 45
3
+
6
=
23 15
2
1 5
+
5 6
=
31 30
3
5 6
+
4 3
=
13 6
4
3 9
+
1 2
=
15 18
3
+
1
=
5 6
5
2 9
+
1 4
=
17 36
6
1 4
+
3 3
=
15 12
1
+
3
=
5 4
7
3 3
+
8 2
=
30 6
3
+
8
=
5
8
8 2
+
1 5
=
42 10
8
+
1
=
21 5
9
1 5
+
7 4
=
39 20
10
7 4
+
1 2
=
9 4
11
1 2
+
3 6
=
6 6
1
+
3
=
1
12
3 6
+
2 2
=
9 6
3
+
2
=
3 2
13
2 2
+
3 3
=
12 6
2
+
3
=
2
14
3 3
+
6 2
=
24 6
3
+
6
=
4
15
9 2
+
2 7
=
67 14