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분수: 분모가 다른 덧셈2분수8

1
2 8
+
9 2
=
38 8
2
+
9
=
19 4
2
5 2
+
3 3
=
21 6
5
+
3
=
7 2
3
1 6
+
4 4
=
14 12
1
+
4
=
7 6
4
4 4
+
7 7
=
56 28
4
+
7
=
2
5
7 7
+
1 2
=
21 14
7
+
1
=
3 2
6
1 2
+
6 8
=
10 8
1
+
6
=
5 4
7
6 8
+
4 2
=
22 8
6
+
4
=
11 4
8
4 2
+
3 3
=
18 6
4
+
3
=
3
9
3 3
+
8 4
=
36 12
3
+
8
=
3
10
1 4
+
8 6
=
19 12
11
8 6
+
1 3
=
10 6
8
+
1
=
5 3
12
6 3
+
5 2
=
27 6
6
+
5
=
9 2
13
2 5
+
6 2
=
34 10
2
+
6
=
17 5
14
6 2
+
3 7
=
48 14
6
+
3
=
24 7
15
3 7
+
1 3
=
16 21