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분수: 분모가 다른 덧셈4분수9

1
4 9
+
6 4
=
70 36
4
+
6
=
35 18
2
6 4
+
8 8
=
20 8
6
+
8
=
5 2
3
8 5
+
1 2
=
21 10
4
1 8
+
2 9
=
25 72
5
2 9
+
4 3
=
14 9
6
4 3
+
5 4
=
31 12
7
7 4
+
2 8
=
16 8
7
+
2
=
2
8
2 8
+
4 3
=
38 24
2
+
4
=
19 12
9
4 3
+
3 4
=
25 12
10
3 4
+
8 3
=
41 12
11
3 9
+
1 8
=
33 72
3
+
1
=
11 24
12
1 9
+
5 3
=
16 9
13
5 3
+
7 5
=
46 15
14
5 5
+
8 7
=
75 35
5
+
8
=
15 7
15
8 7
+
2 9
=
86 63