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분수: 분모가 다른 덧셈3분수7

1
3 7
+
9 4
=
75 28
2
4 5
+
1 3
=
17 15
3
1 3
+
4 6
=
6 6
1
+
4
=
1
4
4 6
+
5 3
=
14 6
4
+
5
=
7 3
5
5 3
+
3 5
=
34 15
6
3 5
+
8 3
=
49 15
7
8 3
+
5 6
=
21 6
8
+
5
=
7 2
8
5 6
+
1 5
=
31 30
9
1 5
+
9 4
=
49 20
10
9 4
+
1 3
=
31 12
11
1 3
+
4 2
=
14 6
1
+
4
=
7 3
12
4 2
+
7 6
=
19 6
13
7 6
+
3 9
=
27 18
7
+
3
=
3 2
14
3 9
+
1 2
=
15 18
3
+
1
=
5 6
15
1 2
+
2 3
=
7 6