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분수: 분모가 다른 덧셈3분수7

1
7 3
+
6 2
=
32 6
7
+
6
=
16 3
2
2 7
+
1 6
=
19 42
3
1 6
+
3 7
=
25 42
4
3 7
+
9 6
=
81 42
3
+
9
=
27 14
5
9 6
+
6 5
=
81 30
9
+
6
=
27 10
6
6 5
+
2 4
=
34 20
6
+
2
=
17 10
7
1 9
+
6 3
=
19 9
8
6 3
+
8 4
=
48 12
6
+
8
=
4
9
8 4
+
3 2
=
14 4
8
+
3
=
7 2
10
3 2
+
4 5
=
23 10
11
4 5
+
6 8
=
62 40
4
+
6
=
31 20
12
6 8
+
3 7
=
66 56
6
+
3
=
33 28
13
3 7
+
7 5
=
64 35
14
5 3
+
1 9
=
16 9
15
1 9
+
4 2
=
38 18
1
+
4
=
19 9