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분수: 분모가 다른 덧셈2분수8

1
2 8
+
5 4
=
12 8
2
+
5
=
3 2
2
5 4
+
8 7
=
67 28
3
8 7
+
1 5
=
47 35
4
1 5
+
4 4
=
24 20
1
+
4
=
6 5
5
4 4
+
7 3
=
40 12
4
+
7
=
10 3
6
7 3
+
8 4
=
52 12
7
+
8
=
13 3
7
8 4
+
1 2
=
10 4
8
+
1
=
5 2
8
1 2
+
3 6
=
6 6
1
+
3
=
1
9
3 6
+
1 3
=
5 6
10
1 3
+
5 6
=
7 6
11
5 6
+
2 2
=
11 6
12
2 2
+
5 3
=
16 6
2
+
5
=
8 3
13
3 5
+
6 3
=
39 15
3
+
6
=
13 5
14
6 3
+
4 7
=
54 21
6
+
4
=
18 7
15
4 7
+
6 4
=
58 28
4
+
6
=
29 14