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분수: 분모가 다른 덧셈4분수3

1
5 2
+
1 8
=
21 8
2
1 8
+
4 4
=
9 8
3
5 4
+
4 9
=
61 36
4
3 2
+
9 3
=
27 6
3
+
9
=
9 2
5
3 3
+
2 8
=
30 24
3
+
2
=
5 4
6
1 4
+
2 5
=
13 20
7
5 4
+
1 6
=
17 12
8
2 6
+
5 3
=
12 6
2
+
5
=
2
9
1 2
+
2 9
=
13 18
10
2 9
+
6 8
=
70 72
2
+
6
=
35 36
11
6 8
+
5 6
=
38 24
6
+
5
=
19 12
12
5 6
+
2 8
=
26 24
5
+
2
=
13 12
13
2 8
+
4 4
=
10 8
2
+
4
=
5 4
14
4 4
+
1 3
=
16 12
4
+
1
=
4 3
15
1 3
+
3 7
=
16 21