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분수: 분모가 다른 덧셈4분수9

1
9 2
+
1 7
=
65 14
2
1 4
+
5 3
=
23 12
3
3 6
+
1 5
=
21 30
3
+
1
=
7 10
4
1 5
+
9 2
=
47 10
5
9 2
+
7 7
=
77 14
9
+
7
=
11 2
6
7 7
+
1 6
=
49 42
7
+
1
=
7 6
7
1 6
+
4 3
=
9 6
1
+
4
=
3 2
8
4 3
+
1 7
=
31 21
9
1 7
+
4 4
=
32 28
1
+
4
=
8 7
10
4 4
+
5 5
=
40 20
4
+
5
=
2
11
5 5
+
1 3
=
20 15
5
+
1
=
4 3
12
1 3
+
2 6
=
4 6
1
+
2
=
2 3
13
2 6
+
1 4
=
7 12
14
1 5
+
4 8
=
28 40
1
+
4
=
7 10
15
8 4
+
6 3
=
48 12
8
+
6
=
4