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분수: 분모가 다른 덧셈3분수7

1
3 7
+
7 6
=
67 42
2
7 6
+
1 7
=
55 42
3
1 7
+
2 5
=
19 35
4
7 5
+
2 4
=
38 20
7
+
2
=
19 10
5
2 4
+
4 2
=
10 4
2
+
4
=
5 2
6
4 2
+
2 3
=
16 6
4
+
2
=
8 3
7
1 6
+
2 2
=
7 6
8
1 7
+
6 2
=
44 14
1
+
6
=
22 7
9
6 2
+
9 7
=
60 14
6
+
9
=
30 7
10
9 7
+
1 8
=
79 56
11
1 4
+
9 5
=
41 20
12
1 7
+
6 6
=
48 42
1
+
6
=
8 7
13
6 6
+
1 3
=
8 6
6
+
1
=
4 3
14
1 8
+
4 6
=
19 24
15
4 6
+
8 4
=
32 12
4
+
8
=
8 3