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분수: 분모가 다른 덧셈5분수6

1
5 6
+
3 2
=
14 6
5
+
3
=
7 3
2
3 2
+
8 7
=
37 14
3
8 7
+
7 4
=
81 28
4
7 4
+
9 5
=
71 20
5
9 5
+
5 4
=
61 20
6
1 4
+
3 5
=
17 20
7
3 5
+
8 4
=
52 20
3
+
8
=
13 5
8
7 4
+
1 3
=
25 12
9
1 3
+
9 4
=
31 12
10
7 5
+
1 8
=
61 40
11
8 3
+
1 2
=
19 6
12
1 2
+
4 3
=
11 6
13
4 3
+
6 8
=
50 24
4
+
6
=
25 12
14
8 8
+
2 7
=
72 56
8
+
2
=
9 7
15
2 7
+
4 4
=
36 28
2
+
4
=
9 7