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분수: 분모가 다른 덧셈1분수2

1
1 2
+
3 4
=
5 4
2
3 4
+
2 8
=
8 8
3
+
2
=
1
3
2 8
+
1 5
=
18 40
2
+
1
=
9 20
4
1 5
+
8 3
=
43 15
5
1 2
+
2 3
=
7 6
6
2 3
+
1 8
=
19 24
7
1 8
+
2 5
=
21 40
8
2 5
+
4 4
=
28 20
2
+
4
=
7 5
9
4 4
+
3 2
=
10 4
4
+
3
=
5 2
10
3 2
+
2 4
=
8 4
3
+
2
=
2
11
2 4
+
6 5
=
34 20
2
+
6
=
17 10
12
6 5
+
1 3
=
23 15
13
3 3
+
5 4
=
27 12
3
+
5
=
9 4
14
4 5
+
7 3
=
47 15
15
7 3
+
8 6
=
22 6
7
+
8
=
11 3