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분수: 분모가 다른 덧셈4분수3

1
4 3
+
5 9
=
17 9
2
1 4
+
9 3
=
39 12
1
+
9
=
13 4
3
9 3
+
6 7
=
81 21
9
+
6
=
27 7
4
6 7
+
5 9
=
89 63
5
9 9
+
4 5
=
81 45
9
+
4
=
9 5
6
4 5
+
1 3
=
17 15
7
1 3
+
6 7
=
25 21
8
6 7
+
4 8
=
76 56
6
+
4
=
19 14
9
4 5
+
1 2
=
13 10
10
1 2
+
2 7
=
11 14
11
2 7
+
8 3
=
62 21
12
2 3
+
6 4
=
26 12
2
+
6
=
13 6
13
6 4
+
2 6
=
22 12
6
+
2
=
11 6
14
2 6
+
6 3
=
14 6
2
+
6
=
7 3
15
6 3
+
2 4
=
30 12
6
+
2
=
5 2