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분수: 분모가 다른 덧셈1분수1

1
1 2
+
4 9
=
17 18
2
4 9
+
5 5
=
65 45
4
+
5
=
13 9
3
5 5
+
1 8
=
45 40
5
+
1
=
9 8
4
1 8
+
4 7
=
39 56
5
4 7
+
2 3
=
26 21
6
2 3
+
3 2
=
13 6
7
2 6
+
1 3
=
4 6
2
+
1
=
2 3
8
1 3
+
5 2
=
17 6
9
5 2
+
1 3
=
17 6
10
3 5
+
1 9
=
32 45
11
1 9
+
7 6
=
23 18
12
7 6
+
1 8
=
31 24
13
1 8
+
4 4
=
9 8
14
4 4
+
1 3
=
16 12
4
+
1
=
4 3
15
1 3
+
9 5
=
32 15