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분수: 분모가 다른 덧셈4분수5

1
5 6
+
1 4
=
13 12
2
1 4
+
3 7
=
19 28
3
3 7
+
4 3
=
37 21
4
4 3
+
6 4
=
34 12
4
+
6
=
17 6
5
6 4
+
5 5
=
50 20
6
+
5
=
5 2
6
5 5
+
2 4
=
30 20
5
+
2
=
3 2
7
2 4
+
1 2
=
4 4
2
+
1
=
1
8
1 4
+
8 2
=
17 4
9
8 2
+
1 4
=
17 4
10
5 5
+
1 2
=
15 10
5
+
1
=
3 2
11
1 2
+
3 3
=
9 6
1
+
3
=
3 2
12
3 3
+
1 5
=
18 15
3
+
1
=
6 5
13
5 4
+
1 9
=
49 36
14
1 9
+
4 3
=
13 9
15
4 3
+
9 5
=
47 15