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분수: 분모가 다른 덧셈9분수4

1
9 4
+
5 3
=
47 12
2
8 3
+
1 2
=
19 6
3
1 2
+
3 8
=
7 8
4
3 8
+
1 4
=
5 8
5
4 6
+
1 7
=
34 42
4
+
1
=
17 21
6
1 7
+
2 4
=
18 28
1
+
2
=
9 14
7
4 2
+
1 4
=
9 4
8
1 4
+
4 7
=
23 28
9
4 7
+
1 5
=
27 35
10
1 5
+
2 6
=
16 30
1
+
2
=
8 15
11
2 6
+
1 9
=
8 18
2
+
1
=
4 9
12
1 9
+
9 4
=
85 36
13
9 4
+
7 2
=
23 4
14
2 7
+
5 8
=
51 56
15
5 8
+
3 2
=
17 8