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분수: 분모가 다른 덧셈3분수3

1
3 3
+
7 4
=
33 12
3
+
7
=
11 4
2
7 4
+
5 2
=
17 4
3
5 2
+
3 7
=
41 14
4
7 4
+
1 2
=
9 4
5
1 2
+
5 3
=
13 6
6
5 3
+
9 2
=
37 6
7
9 2
+
5 5
=
55 10
9
+
5
=
11 2
8
5 5
+
1 3
=
20 15
5
+
1
=
4 3
9
1 3
+
6 7
=
25 21
10
2 7
+
5 6
=
47 42
11
5 6
+
2 8
=
26 24
5
+
2
=
13 12
12
2 8
+
4 9
=
50 72
2
+
4
=
25 36
13
4 9
+
9 5
=
101 45
14
5 3
+
6 4
=
38 12
5
+
6
=
19 6
15
6 4
+
5 3
=
38 12
6
+
5
=
19 6