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분수: 분모가 다른 덧셈6분수1

1
1 6
+
3 9
=
9 18
1
+
3
=
1 2
2
3 9
+
2 5
=
33 45
3
+
2
=
11 15
3
2 5
+
7 3
=
41 15
4
7 3
+
4 4
=
40 12
7
+
4
=
10 3
5
4 4
+
7 5
=
48 20
4
+
7
=
12 5
6
7 5
+
3 8
=
71 40
7
8 3
+
6 5
=
58 15
8
6 5
+
8 4
=
64 20
6
+
8
=
16 5
9
8 4
+
6 6
=
36 12
8
+
6
=
3
10
6 6
+
5 4
=
27 12
6
+
5
=
9 4
11
9 4
+
4 5
=
61 20
12
4 5
+
8 4
=
56 20
4
+
8
=
14 5
13
8 4
+
5 8
=
21 8
14
5 8
+
3 3
=
39 24
5
+
3
=
13 8
15
3 3
+
1 2
=
9 6
3
+
1
=
3 2