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분수: 분모가 다른 덧셈5분수7

1
7 6
+
1 7
=
55 42
2
1 7
+
2 3
=
17 21
3
2 3
+
1 2
=
7 6
4
1 2
+
7 3
=
17 6
5
7 3
+
5 9
=
26 9
6
5 9
+
2 2
=
28 18
5
+
2
=
14 9
7
2 2
+
7 9
=
32 18
2
+
7
=
16 9
8
7 9
+
4 6
=
26 18
7
+
4
=
13 9
9
4 6
+
3 7
=
46 42
4
+
3
=
23 21
10
1 8
+
4 5
=
37 40
11
4 5
+
1 2
=
13 10
12
4 2
+
6 6
=
18 6
4
+
6
=
3
13
6 6
+
2 5
=
42 30
6
+
2
=
7 5
14
2 5
+
5 8
=
41 40
15
5 8
+
6 2
=
29 8