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분수: 분모가 다른 덧셈3분수7

1
1 4
+
5 3
=
23 12
2
5 3
+
2 9
=
17 9
3
2 9
+
7 4
=
71 36
4
7 4
+
6 9
=
87 36
7
+
6
=
29 12
5
1 2
+
2 4
=
4 4
1
+
2
=
1
6
4 6
+
1 5
=
26 30
4
+
1
=
13 15
7
1 5
+
5 3
=
28 15
8
8 5
+
9 2
=
61 10
9
9 2
+
1 9
=
83 18
10
1 9
+
5 5
=
50 45
1
+
5
=
10 9
11
1 6
+
7 3
=
15 6
1
+
7
=
5 2
12
7 3
+
5 7
=
64 21
13
5 7
+
1 5
=
32 35
14
1 7
+
2 8
=
22 56
1
+
2
=
11 28
15
8 3
+
1 4
=
35 12