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분수: 분모가 다른 덧셈9분수7

1
9 7
+
4 6
=
82 42
9
+
4
=
41 21
2
4 6
+
2 4
=
14 12
4
+
2
=
7 6
3
2 4
+
3 7
=
26 28
2
+
3
=
13 14
4
3 7
+
6 4
=
54 28
3
+
6
=
27 14
5
3 4
+
4 6
=
17 12
6
4 6
+
3 3
=
10 6
4
+
3
=
5 3
7
3 3
+
4 4
=
24 12
3
+
4
=
2
8
4 4
+
3 3
=
24 12
4
+
3
=
2
9
3 3
+
1 4
=
15 12
3
+
1
=
5 4
10
3 5
+
1 7
=
26 35
11
1 7
+
9 4
=
67 28
12
9 4
+
7 5
=
73 20
13
7 5
+
8 9
=
103 45
14
8 9
+
5 5
=
85 45
8
+
5
=
17 9
15
5 8
+
1 6
=
19 24