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분수: 분모가 다른 덧셈4분수3

1
4 3
+
9 7
=
55 21
2
9 7
+
2 6
=
68 42
9
+
2
=
34 21
3
2 6
+
9 2
=
29 6
4
4 2
+
7 4
=
15 4
5
7 3
+
4 9
=
25 9
6
4 9
+
1 3
=
7 9
7
1 3
+
4 2
=
14 6
1
+
4
=
7 3
8
2 2
+
1 3
=
8 6
2
+
1
=
4 3
9
1 3
+
7 9
=
10 9
10
9 8
+
1 7
=
71 56
11
7 9
+
1 4
=
37 36
12
1 4
+
4 5
=
21 20
13
5 3
+
1 8
=
43 24
14
1 3
+
8 8
=
32 24
1
+
8
=
4 3
15
8 8
+
4 7
=
88 56
8
+
4
=
11 7