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분수: 분모가 다른 덧셈2분수0

1
6 2
+
8 4
=
20 4
6
+
8
=
5
2
4 8
+
3 2
=
16 8
4
+
3
=
2
3
3 2
+
1 5
=
17 10
4
1 5
+
9 3
=
48 15
1
+
9
=
16 5
5
9 3
+
1 2
=
21 6
9
+
1
=
7 2
6
1 2
+
4 9
=
17 18
7
4 6
+
1 5
=
26 30
4
+
1
=
13 15
8
1 5
+
3 9
=
24 45
1
+
3
=
8 15
9
3 9
+
4 2
=
42 18
3
+
4
=
7 3
10
4 3
+
1 9
=
13 9
11
1 9
+
5 7
=
52 63
12
5 7
+
2 2
=
24 14
5
+
2
=
12 7
13
2 2
+
9 7
=
32 14
2
+
9
=
16 7
14
9 7
+
1 3
=
34 21
15
1 3
+
8 5
=
29 15