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분수: 분모가 다른 덧셈4분수5

1
4 5
+
9 4
=
61 20
2
9 4
+
3 8
=
21 8
3
3 8
+
6 3
=
57 24
3
+
6
=
19 8
4
5 3
+
4 6
=
14 6
5
+
4
=
7 3
5
4 2
+
1 4
=
9 4
6
1 3
+
2 5
=
11 15
7
2 5
+
1 6
=
17 30
8
1 6
+
6 2
=
19 6
9
6 2
+
3 4
=
15 4
10
4 4
+
8 3
=
44 12
4
+
8
=
11 3
11
3 8
+
7 4
=
17 8
12
7 4
+
3 2
=
13 4
13
2 3
+
7 9
=
13 9
14
9 2
+
1 6
=
28 6
9
+
1
=
14 3
15
1 6
+
5 7
=
37 42