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분수: 분모가 다른 덧셈6분수2

1
2 9
+
1 2
=
13 18
2
1 2
+
4 4
=
6 4
1
+
4
=
3 2
3
4 4
+
1 3
=
16 12
4
+
1
=
4 3
4
1 3
+
3 8
=
17 24
5
3 8
+
1 9
=
35 72
6
1 9
+
3 4
=
31 36
7
3 4
+
7 2
=
17 4
8
6 2
+
2 9
=
58 18
6
+
2
=
29 9
9
2 9
+
9 5
=
91 45
10
9 5
+
4 6
=
74 30
9
+
4
=
37 15
11
4 6
+
9 5
=
74 30
4
+
9
=
37 15
12
1 6
+
2 8
=
10 24
1
+
2
=
5 12
13
2 8
+
5 7
=
54 56
2
+
5
=
27 28
14
5 7
+
2 3
=
29 21
15
2 3
+
5 2
=
19 6