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분수: 분모가 다른 덧셈2분수7

1
7 2
+
8 6
=
29 6
2
8 6
+
1 2
=
11 6
3
1 2
+
5 4
=
7 4
4
5 4
+
7 5
=
53 20
5
7 5
+
4 6
=
62 30
7
+
4
=
31 15
6
4 6
+
2 3
=
8 6
4
+
2
=
4 3
7
1 6
+
7 4
=
23 12
8
7 4
+
4 9
=
79 36
9
4 9
+
6 2
=
62 18
4
+
6
=
31 9
10
6 2
+
3 8
=
27 8
11
3 8
+
4 6
=
25 24
12
1 3
+
5 2
=
17 6
13
5 2
+
1 4
=
11 4
14
1 4
+
4 2
=
9 4
15
4 2
+
9 9
=
54 18
4
+
9
=
3