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분수: 분모가 다른 덧셈2분수9

1
2 9
+
1 8
=
25 72
2
1 8
+
3 3
=
27 24
1
+
3
=
9 8
3
3 4
+
1 5
=
19 20
4
9 5
+
2 6
=
64 30
9
+
2
=
32 15
5
9 2
+
3 8
=
39 8
6
3 8
+
8 5
=
79 40
7
8 5
+
9 6
=
93 30
8
+
9
=
31 10
8
9 6
+
3 9
=
33 18
9
+
3
=
11 6
9
3 9
+
2 8
=
42 72
3
+
2
=
7 12
10
2 8
+
7 3
=
62 24
2
+
7
=
31 12
11
7 3
+
6 7
=
67 21
12
7 6
+
2 5
=
47 30
13
2 5
+
1 7
=
19 35
14
7 5
+
1 8
=
61 40
15
1 8
+
4 4
=
9 8