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분수: 분모가 다른 덧셈6분수2

1
6 2
+
9 4
=
21 4
2
9 4
+
5 2
=
19 4
3
2 2
+
1 5
=
12 10
2
+
1
=
6 5
4
6 5
+
7 7
=
77 35
6
+
7
=
11 5
5
7 7
+
5 2
=
49 14
7
+
5
=
7 2
6
2 5
+
4 8
=
36 40
2
+
4
=
9 10
7
4 8
+
2 5
=
36 40
4
+
2
=
9 10
8
2 5
+
4 3
=
26 15
9
4 3
+
8 5
=
44 15
10
8 5
+
1 6
=
53 30
11
1 6
+
2 2
=
7 6
12
2 2
+
5 3
=
16 6
2
+
5
=
8 3
13
3 3
+
5 4
=
27 12
3
+
5
=
9 4
14
5 4
+
7 2
=
19 4
15
2 8
+
1 5
=
18 40
2
+
1
=
9 20