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분수: 분모가 다른 덧셈4분수5

1
4 5
+
5 3
=
37 15
2
5 3
+
7 4
=
41 12
3
7 4
+
3 8
=
17 8
4
5 2
+
1 4
=
11 4
5
1 4
+
9 3
=
39 12
1
+
9
=
13 4
6
9 3
+
2 8
=
78 24
9
+
2
=
13 4
7
8 2
+
4 7
=
64 14
8
+
4
=
32 7
8
4 7
+
3 9
=
57 63
4
+
3
=
19 21
9
3 9
+
4 4
=
48 36
3
+
4
=
4 3
10
4 4
+
3 2
=
10 4
4
+
3
=
5 2
11
3 2
+
5 7
=
31 14
12
5 7
+
7 4
=
69 28
13
7 4
+
2 5
=
43 20
14
5 5
+
1 6
=
35 30
5
+
1
=
7 6
15
1 6
+
2 8
=
10 24
1
+
2
=
5 12