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분수: 분모가 다른 덧셈2분수7

1
2 7
+
8 2
=
60 14
2
+
8
=
30 7
2
8 2
+
4 3
=
32 6
8
+
4
=
16 3
3
3 4
+
1 3
=
13 12
4
1 3
+
5 6
=
7 6
5
1 6
+
8 2
=
25 6
6
8 2
+
6 9
=
84 18
8
+
6
=
14 3
7
6 9
+
1 6
=
15 18
6
+
1
=
5 6
8
4 4
+
1 7
=
32 28
4
+
1
=
8 7
9
1 7
+
5 3
=
38 21
10
5 3
+
7 9
=
22 9
11
4 9
+
2 3
=
10 9
12
1 3
+
6 2
=
20 6
1
+
6
=
10 3
13
6 2
+
1 7
=
44 14
6
+
1
=
22 7
14
1 7
+
3 2
=
23 14
15
3 2
+
5 5
=
25 10
3
+
5
=
5 2