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분수: 분모가 다른 덧셈2분수8

1
2 8
+
6 4
=
14 8
2
+
6
=
7 4
2
6 4
+
4 9
=
70 36
6
+
4
=
35 18
3
4 9
+
1 5
=
29 45
4
5 2
+
3 6
=
18 6
5
+
3
=
3
5
3 6
+
4 7
=
45 42
3
+
4
=
15 14
6
7 4
+
9 3
=
57 12
7
+
9
=
19 4
7
9 3
+
5 4
=
51 12
9
+
5
=
17 4
8
5 4
+
6 3
=
39 12
5
+
6
=
13 4
9
9 3
+
5 5
=
60 15
9
+
5
=
4
10
1 5
+
9 6
=
51 30
1
+
9
=
17 10
11
9 6
+
6 3
=
21 6
9
+
6
=
7 2
12
3 6
+
4 4
=
18 12
3
+
4
=
3 2
13
4 4
+
5 7
=
48 28
4
+
5
=
12 7
14
5 7
+
2 9
=
59 63
15
1 2
+
3 7
=
13 14