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분수: 분모가 다른 덧셈4분수8

1
4 8
+
7 5
=
76 40
4
+
7
=
19 10
2
1 2
+
5 3
=
13 6
3
5 3
+
1 7
=
38 21
4
1 7
+
2 3
=
17 21
5
3 5
+
1 8
=
29 40
6
1 8
+
2 5
=
21 40
7
2 5
+
1 4
=
13 20
8
1 4
+
3 7
=
19 28
9
3 7
+
2 8
=
38 56
3
+
2
=
19 28
10
2 8
+
7 6
=
34 24
2
+
7
=
17 12
11
7 6
+
8 4
=
38 12
7
+
8
=
19 6
12
8 4
+
3 5
=
52 20
8
+
3
=
13 5
13
3 5
+
1 3
=
14 15
14
1 3
+
8 5
=
29 15
15
3 4
+
1 2
=
5 4