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분수: 분모가 다른 덧셈6분수2

1
6 2
+
1 9
=
56 18
6
+
1
=
28 9
2
1 9
+
6 3
=
19 9
3
6 3
+
4 5
=
42 15
6
+
4
=
14 5
4
4 5
+
9 4
=
61 20
5
9 4
+
7 3
=
55 12
6
7 3
+
5 6
=
19 6
7
5 6
+
8 2
=
29 6
8
8 2
+
5 6
=
29 6
9
6 3
+
1 2
=
15 6
6
+
1
=
5 2
10
1 4
+
2 3
=
11 12
11
2 3
+
9 4
=
35 12
12
9 4
+
4 8
=
22 8
9
+
4
=
11 4
13
4 8
+
2 3
=
28 24
4
+
2
=
7 6
14
2 3
+
1 5
=
13 15
15
5 5
+
1 3
=
20 15
5
+
1
=
4 3