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분수: 분모가 다른 덧셈1분수0

1
1 3
+
2 5
=
11 15
2
2 5
+
3 8
=
31 40
3
3 8
+
4 2
=
19 8
4
3 4
+
8 5
=
47 20
5
5 3
+
1 7
=
38 21
6
1 7
+
7 5
=
54 35
7
7 5
+
2 2
=
24 10
7
+
2
=
12 5
8
2 5
+
4 7
=
34 35
9
4 7
+
8 2
=
64 14
4
+
8
=
32 7
10
8 2
+
9 4
=
25 4
11
7 4
+
9 7
=
85 28
12
9 7
+
4 2
=
46 14
9
+
4
=
23 7
13
4 2
+
8 4
=
16 4
4
+
8
=
4
14
1 3
+
9 9
=
12 9
1
+
9
=
4 3
15
9 9
+
3 6
=
27 18
9
+
3
=
3 2