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분수: 분모가 다른 덧셈3분수2

1
3 2
+
1 9
=
29 18
2
1 4
+
7 5
=
33 20
3
7 5
+
1 9
=
68 45
4
3 6
+
1 3
=
5 6
5
3 9
+
1 4
=
21 36
3
+
1
=
7 12
6
1 4
+
9 2
=
19 4
7
2 2
+
1 7
=
16 14
2
+
1
=
8 7
8
1 7
+
3 4
=
25 28
9
3 4
+
4 8
=
10 8
3
+
4
=
5 4
10
4 8
+
5 9
=
76 72
4
+
5
=
19 18
11
5 6
+
9 5
=
79 30
12
9 5
+
1 8
=
77 40
13
8 8
+
1 6
=
28 24
8
+
1
=
7 6
14
6 6
+
1 8
=
27 24
6
+
1
=
9 8
15
8 9
+
1 8
=
73 72