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분수: 분모가 다른 덧셈1분수2

1
7 2
+
4 8
=
32 8
7
+
4
=
4
2
4 8
+
1 2
=
8 8
4
+
1
=
1
3
1 2
+
9 4
=
11 4
4
9 4
+
4 8
=
22 8
9
+
4
=
11 4
5
8 7
+
1 2
=
23 14
6
1 2
+
9 5
=
23 10
7
1 8
+
6 2
=
25 8
8
6 2
+
5 9
=
64 18
6
+
5
=
32 9
9
5 9
+
2 4
=
38 36
5
+
2
=
19 18
10
2 4
+
3 8
=
7 8
11
3 8
+
7 3
=
65 24
12
7 3
+
1 9
=
22 9
13
1 9
+
5 3
=
16 9
14
8 5
+
1 2
=
21 10
15
1 2
+
4 6
=
7 6