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분수: 분모가 다른 덧셈2분수9

1
2 9
+
7 5
=
73 45
2
5 6
+
1 5
=
31 30
3
1 5
+
5 7
=
32 35
4
5 7
+
4 6
=
58 42
5
+
4
=
29 21
5
1 3
+
8 2
=
26 6
1
+
8
=
13 3
6
8 2
+
7 8
=
39 8
7
7 8
+
4 7
=
81 56
8
4 7
+
2 6
=
38 42
4
+
2
=
19 21
9
1 4
+
2 6
=
7 12
10
2 6
+
5 2
=
17 6
11
5 2
+
3 4
=
13 4
12
8 4
+
6 6
=
36 12
8
+
6
=
3
13
6 3
+
1 8
=
51 24
6
+
1
=
17 8
14
1 8
+
4 7
=
39 56
15
4 7
+
6 4
=
58 28
4
+
6
=
29 14