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분수: 분모가 다른 덧셈2분수0

1
1 2
+
9 3
=
21 6
1
+
9
=
7 2
2
9 3
+
4 9
=
31 9
3
4 9
+
1 7
=
37 63
4
1 7
+
4 3
=
31 21
5
2 4
+
1 3
=
10 12
2
+
1
=
5 6
6
1 3
+
5 2
=
17 6
7
5 2
+
4 4
=
14 4
5
+
4
=
7 2
8
4 4
+
7 5
=
48 20
4
+
7
=
12 5
9
6 5
+
4 7
=
62 35
10
4 7
+
2 3
=
26 21
11
2 3
+
5 4
=
23 12
12
5 4
+
2 2
=
9 4
13
2 4
+
1 5
=
14 20
2
+
1
=
7 10
14
5 5
+
1 6
=
35 30
5
+
1
=
7 6
15
6 3
+
1 7
=
45 21
6
+
1
=
15 7