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분수: 분모가 다른 덧셈4분수2

1
2 9
+
1 3
=
5 9
2
2 3
+
7 4
=
29 12
3
7 4
+
3 2
=
13 4
4
5 2
+
6 5
=
37 10
5
5 3
+
1 8
=
43 24
6
1 8
+
3 7
=
31 56
7
7 3
+
1 5
=
38 15
8
5 5
+
4 8
=
60 40
5
+
4
=
3 2
9
8 8
+
1 4
=
10 8
8
+
1
=
5 4
10
1 4
+
3 3
=
15 12
1
+
3
=
5 4
11
3 6
+
1 5
=
21 30
3
+
1
=
7 10
12
1 5
+
9 9
=
54 45
1
+
9
=
6 5
13
9 9
+
4 4
=
72 36
9
+
4
=
2
14
4 4
+
9 2
=
22 4
4
+
9
=
11 2
15
2 9
+
6 3
=
20 9