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분수: 분모가 다른 덧셈2분수8

1
2 8
+
9 2
=
38 8
2
+
9
=
19 4
2
9 2
+
1 4
=
19 4
3
4 9
+
1 5
=
29 45
4
1 5
+
8 3
=
43 15
5
6 3
+
2 2
=
18 6
6
+
2
=
3
6
2 2
+
4 9
=
26 18
2
+
4
=
13 9
7
4 9
+
9 3
=
31 9
8
9 3
+
1 5
=
48 15
9
+
1
=
16 5
9
1 5
+
5 2
=
27 10
10
5 2
+
8 7
=
51 14
11
8 7
+
5 5
=
75 35
8
+
5
=
15 7
12
5 5
+
6 3
=
45 15
5
+
6
=
3
13
6 3
+
3 2
=
21 6
6
+
3
=
7 2
14
8 2
+
7 4
=
23 4
15
7 4
+
2 2
=
11 4