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분수: 분모가 다른 덧셈1분수7

1
1 7
+
7 2
=
51 14
2
7 2
+
2 6
=
23 6
3
2 6
+
6 3
=
14 6
2
+
6
=
7 3
4
6 3
+
1 4
=
27 12
6
+
1
=
9 4
5
1 4
+
3 9
=
21 36
1
+
3
=
7 12
6
3 9
+
2 7
=
39 63
3
+
2
=
13 21
7
2 7
+
4 9
=
46 63
8
9 2
+
1 5
=
47 10
9
5 5
+
3 4
=
35 20
5
+
3
=
7 4
10
3 4
+
6 5
=
39 20
11
6 5
+
5 4
=
49 20
12
4 3
+
1 8
=
35 24
13
1 8
+
8 4
=
17 8
14
8 4
+
6 6
=
36 12
8
+
6
=
3
15
6 6
+
2 7
=
54 42
6
+
2
=
9 7