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분수: 분모가 다른 덧셈4분수8

1
4 8
+
7 4
=
18 8
4
+
7
=
9 4
2
7 4
+
5 6
=
31 12
3
8 6
+
3 4
=
25 12
4
3 4
+
5 3
=
29 12
5
1 2
+
2 7
=
11 14
6
2 7
+
5 9
=
53 63
7
9 6
+
1 3
=
11 6
8
1 3
+
3 2
=
11 6
9
3 2
+
4 6
=
13 6
10
4 6
+
3 2
=
13 6
11
3 2
+
2 9
=
31 18
12
2 9
+
9 4
=
89 36
13
9 4
+
2 3
=
35 12
14
2 3
+
4 5
=
22 15
15
1 4
+
3 2
=
7 4