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분수: 분모가 다른 덧셈9분수7

1
9 7
+
6 3
=
69 21
9
+
6
=
23 7
2
6 3
+
8 2
=
36 6
6
+
8
=
6
3
8 2
+
5 6
=
29 6
4
2 7
+
1 4
=
15 28
5
1 4
+
9 5
=
41 20
6
5 5
+
8 6
=
70 30
5
+
8
=
7 3
7
8 6
+
2 5
=
52 30
8
+
2
=
26 15
8
2 5
+
1 7
=
19 35
9
1 7
+
3 6
=
27 42
1
+
3
=
9 14
10
6 2
+
1 4
=
13 4
11
1 4
+
8 6
=
19 12
12
8 6
+
3 5
=
58 30
8
+
3
=
29 15
13
3 5
+
2 3
=
19 15
14
2 3
+
5 4
=
23 12
15
5 4
+
4 7
=
51 28