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분수: 분모가 다른 덧셈3분수8

1
8 5
+
1 2
=
21 10
2
1 2
+
4 8
=
8 8
1
+
4
=
1
3
4 8
+
9 5
=
92 40
4
+
9
=
23 10
4
9 5
+
1 8
=
77 40
5
1 8
+
9 5
=
77 40
6
9 5
+
6 4
=
66 20
9
+
6
=
33 10
7
6 4
+
3 5
=
42 20
6
+
3
=
21 10
8
3 5
+
1 9
=
32 45
9
1 9
+
5 5
=
50 45
1
+
5
=
10 9
10
5 5
+
7 2
=
45 10
5
+
7
=
9 2
11
2 7
+
1 2
=
11 14
12
5 2
+
9 3
=
33 6
5
+
9
=
11 2
13
2 3
+
8 5
=
34 15
14
8 5
+
1 6
=
53 30
15
1 6
+
3 7
=
25 42