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분수: 분모가 다른 덧셈1분수5

1
1 5
+
7 4
=
39 20
2
4 9
+
1 4
=
25 36
3
1 4
+
4 6
=
11 12
4
4 6
+
3 9
=
18 18
4
+
3
=
1
5
3 9
+
1 7
=
30 63
3
+
1
=
10 21
6
7 8
+
1 3
=
29 24
7
1 3
+
6 2
=
20 6
1
+
6
=
10 3
8
6 2
+
7 7
=
56 14
6
+
7
=
4
9
6 4
+
1 7
=
46 28
6
+
1
=
23 14
10
1 7
+
5 8
=
43 56
11
5 8
+
4 3
=
47 24
12
3 4
+
1 2
=
5 4
13
1 4
+
8 2
=
17 4
14
8 2
+
2 8
=
34 8
8
+
2
=
17 4
15
2 8
+
6 5
=
58 40
2
+
6
=
29 20