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분수: 분모가 다른 덧셈1분수5

1
2 5
+
1 9
=
23 45
2
1 9
+
2 5
=
23 45
3
2 5
+
9 4
=
53 20
4
9 4
+
1 5
=
49 20
5
5 6
+
1 2
=
8 6
5
+
1
=
4 3
6
1 7
+
2 9
=
23 63
7
2 9
+
6 6
=
22 18
2
+
6
=
11 9
8
6 6
+
2 9
=
22 18
6
+
2
=
11 9
9
2 9
+
3 4
=
35 36
10
3 4
+
5 7
=
41 28
11
7 7
+
1 4
=
35 28
7
+
1
=
5 4
12
1 4
+
8 2
=
17 4
13
3 2
+
1 5
=
17 10
14
1 5
+
5 6
=
31 30
15
5 6
+
4 2
=
17 6