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분수: 분모가 다른 덧셈4분수1

1
1 2
+
4 9
=
17 18
2
4 9
+
3 5
=
47 45
3
5 5
+
1 2
=
15 10
5
+
1
=
3 2
4
1 2
+
7 3
=
17 6
5
7 3
+
9 5
=
62 15
6
9 5
+
2 4
=
46 20
9
+
2
=
23 10
7
2 4
+
5 2
=
12 4
2
+
5
=
3
8
5 2
+
9 4
=
19 4
9
9 4
+
7 6
=
41 12
10
7 6
+
1 2
=
10 6
7
+
1
=
5 3
11
1 2
+
4 6
=
7 6
12
4 6
+
1 2
=
7 6
13
2 4
+
1 8
=
5 8
14
8 6
+
1 2
=
11 6
15
1 2
+
9 3
=
21 6
1
+
9
=
7 2