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분수: 분모가 다른 덧셈3분수9

1
3 9
+
5 5
=
60 45
3
+
5
=
4 3
2
5 7
+
1 6
=
37 42
3
1 6
+
2 5
=
17 30
4
5 7
+
1 5
=
32 35
5
1 3
+
7 4
=
25 12
6
7 4
+
4 8
=
18 8
7
+
4
=
9 4
7
4 8
+
7 5
=
76 40
4
+
7
=
19 10
8
7 5
+
9 3
=
66 15
7
+
9
=
22 5
9
9 3
+
8 2
=
42 6
9
+
8
=
7
10
7 2
+
8 5
=
51 10
11
9 5
+
3 7
=
78 35
12
3 7
+
2 2
=
20 14
3
+
2
=
10 7
13
2 2
+
8 7
=
30 14
2
+
8
=
15 7
14
3 7
+
1 6
=
25 42
15
1 6
+
2 4
=
8 12
1
+
2
=
2 3