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분수: 분모가 다른 덧셈4분수9

1
4 9
+
2 4
=
34 36
4
+
2
=
17 18
2
2 4
+
8 2
=
18 4
2
+
8
=
9 2
3
8 2
+
4 3
=
32 6
8
+
4
=
16 3
4
3 5
+
1 4
=
17 20
5
4 3
+
1 9
=
13 9
6
9 7
+
1 9
=
88 63
7
1 9
+
3 2
=
29 18
8
3 2
+
9 3
=
27 6
3
+
9
=
9 2
9
5 3
+
1 6
=
11 6
10
9 6
+
2 7
=
75 42
9
+
2
=
25 14
11
2 7
+
5 6
=
47 42
12
1 3
+
5 9
=
8 9
13
5 9
+
1 4
=
29 36
14
1 4
+
3 2
=
7 4
15
3 2
+
8 5
=
31 10