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분수: 분모가 다른 덧셈4분수3

1
4 3
+
7 5
=
41 15
2
7 5
+
8 3
=
61 15
3
3 8
+
2 4
=
7 8
4
2 4
+
4 6
=
14 12
2
+
4
=
7 6
5
5 4
+
6 2
=
17 4
6
6 2
+
9 4
=
21 4
7
3 6
+
9 5
=
69 30
3
+
9
=
23 10
8
2 8
+
1 2
=
6 8
2
+
1
=
3 4
9
1 2
+
2 7
=
11 14
10
2 7
+
3 3
=
27 21
2
+
3
=
9 7
11
3 3
+
4 9
=
13 9
12
4 9
+
3 4
=
43 36
13
3 4
+
6 3
=
33 12
3
+
6
=
11 4
14
6 3
+
7 4
=
45 12
6
+
7
=
15 4
15
7 4
+
8 5
=
67 20