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분수: 분모가 다른 덧셈5분수7

1
7 3
+
1 4
=
31 12
2
1 4
+
2 5
=
13 20
3
2 5
+
5 2
=
29 10
4
4 5
+
5 8
=
57 40
5
5 8
+
6 6
=
39 24
5
+
6
=
13 8
6
6 2
+
1 6
=
19 6
7
1 6
+
5 5
=
35 30
1
+
5
=
7 6
8
8 5
+
1 6
=
53 30
9
1 6
+
3 8
=
13 24
10
3 8
+
1 5
=
23 40
11
1 5
+
3 7
=
22 35
12
3 7
+
1 2
=
13 14
13
1 2
+
3 4
=
5 4
14
3 4
+
4 3
=
25 12
15
4 3
+
3 5
=
29 15