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분수: 분모가 다른 덧셈2분수7

1
1 7
+
5 8
=
43 56
2
5 8
+
1 4
=
7 8
3
1 4
+
6 3
=
27 12
1
+
6
=
9 4
4
6 3
+
8 4
=
48 12
6
+
8
=
4
5
8 4
+
9 8
=
25 8
6
9 8
+
1 3
=
35 24
7
1 3
+
3 7
=
16 21
8
3 7
+
6 5
=
57 35
9
5 8
+
1 2
=
9 8
10
1 2
+
7 7
=
21 14
1
+
7
=
3 2
11
7 7
+
5 4
=
63 28
7
+
5
=
9 4
12
5 4
+
9 6
=
33 12
5
+
9
=
11 4
13
9 6
+
1 8
=
39 24
9
+
1
=
13 8
14
1 8
+
5 9
=
49 72
15
9 6
+
1 9
=
29 18