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분수: 분모가 다른 덧셈6분수4

1
8 4
+
9 7
=
92 28
8
+
9
=
23 7
2
9 7
+
5 4
=
71 28
3
4 2
+
1 8
=
17 8
4
8 8
+
1 6
=
28 24
8
+
1
=
7 6
5
1 6
+
5 3
=
11 6
6
5 3
+
9 9
=
24 9
5
+
9
=
8 3
7
9 9
+
5 7
=
108 63
9
+
5
=
12 7
8
1 5
+
3 6
=
21 30
1
+
3
=
7 10
9
3 6
+
5 4
=
21 12
3
+
5
=
7 4
10
5 4
+
6 3
=
39 12
5
+
6
=
13 4
11
6 3
+
7 8
=
69 24
6
+
7
=
23 8
12
7 8
+
2 6
=
29 24
13
2 6
+
1 4
=
7 12
14
1 4
+
9 9
=
45 36
1
+
9
=
5 4
15
9 9
+
1 5
=
54 45
9
+
1
=
6 5