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분수: 분모가 다른 덧셈8분수2

1
1 3
+
4 9
=
7 9
2
1 9
+
3 4
=
31 36
3
3 4
+
2 5
=
23 20
4
5 2
+
9 6
=
24 6
5
+
9
=
4
5
9 6
+
3 3
=
15 6
9
+
3
=
5 2
6
3 3
+
4 2
=
18 6
3
+
4
=
3
7
4 2
+
7 5
=
34 10
4
+
7
=
17 5
8
7 5
+
5 8
=
81 40
9
8 9
+
1 7
=
65 63
10
1 7
+
8 3
=
59 21
11
8 3
+
9 2
=
43 6
12
2 9
+
6 2
=
58 18
2
+
6
=
29 9
13
6 2
+
8 6
=
26 6
6
+
8
=
13 3
14
8 6
+
2 7
=
68 42
8
+
2
=
34 21
15
2 7
+
7 6
=
61 42