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분수: 분모가 다른 덧셈1분수2

1
2 9
+
1 7
=
23 63
2
1 8
+
3 6
=
15 24
1
+
3
=
5 8
3
3 6
+
1 9
=
11 18
4
1 9
+
3 7
=
34 63
5
3 7
+
8 9
=
83 63
6
9 6
+
1 7
=
69 42
9
+
1
=
23 14
7
1 7
+
5 4
=
39 28
8
1 6
+
9 8
=
31 24
9
1 3
+
4 9
=
7 9
10
4 9
+
2 2
=
26 18
4
+
2
=
13 9
11
4 2
+
8 5
=
36 10
4
+
8
=
18 5
12
8 5
+
3 3
=
39 15
8
+
3
=
13 5
13
3 7
+
1 2
=
13 14
14
5 2
+
4 6
=
19 6
15
6 4
+
3 5
=
42 20
6
+
3
=
21 10