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분수: 분모가 다른 덧셈3분수9

1
3 9
+
2 5
=
33 45
3
+
2
=
11 15
2
5 5
+
1 4
=
25 20
5
+
1
=
5 4
3
1 4
+
5 2
=
11 4
4
5 2
+
6 5
=
37 10
5
6 5
+
3 7
=
57 35
6
3 7
+
1 6
=
25 42
7
3 5
+
8 3
=
49 15
8
8 3
+
4 6
=
20 6
8
+
4
=
10 3
9
4 6
+
2 7
=
40 42
4
+
2
=
20 21
10
2 7
+
7 5
=
59 35
11
7 5
+
6 9
=
93 45
7
+
6
=
31 15
12
6 9
+
3 8
=
75 72
6
+
3
=
25 24
13
3 8
+
5 4
=
13 8
14
9 4
+
4 5
=
61 20
15
4 5
+
6 3
=
42 15
4
+
6
=
14 5