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분수: 분모가 다른 덧셈4분수5

1
5 4
+
2 2
=
9 4
2
8 2
+
6 3
=
36 6
8
+
6
=
6
3
6 3
+
7 4
=
45 12
6
+
7
=
15 4
4
7 4
+
4 3
=
37 12
5
4 3
+
8 9
=
20 9
6
8 9
+
1 3
=
11 9
7
9 3
+
5 6
=
23 6
8
6 2
+
1 5
=
32 10
6
+
1
=
16 5
9
1 5
+
9 6
=
51 30
1
+
9
=
17 10
10
1 6
+
9 2
=
28 6
1
+
9
=
14 3
11
9 2
+
4 6
=
31 6
12
4 6
+
5 4
=
23 12
13
2 5
+
7 7
=
49 35
2
+
7
=
7 5
14
7 7
+
9 2
=
77 14
7
+
9
=
11 2
15
6 2
+
1 5
=
32 10
6
+
1
=
16 5