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분수: 분모가 다른 덧셈4분수4

1
4 4
+
7 3
=
40 12
4
+
7
=
10 3
2
3 2
+
1 3
=
11 6
3
1 3
+
6 5
=
23 15
4
5 6
+
3 2
=
14 6
5
+
3
=
7 3
5
9 2
+
5 9
=
91 18
6
5 9
+
2 2
=
28 18
5
+
2
=
14 9
7
2 2
+
4 6
=
10 6
2
+
4
=
5 3
8
3 6
+
8 4
=
30 12
3
+
8
=
5 2
9
8 4
+
4 5
=
56 20
8
+
4
=
14 5
10
4 5
+
8 8
=
72 40
4
+
8
=
9 5
11
8 8
+
4 7
=
88 56
8
+
4
=
11 7
12
4 7
+
2 2
=
22 14
4
+
2
=
11 7
13
2 2
+
6 5
=
22 10
2
+
6
=
11 5
14
5 6
+
2 9
=
19 18
15
2 9
+
6 4
=
62 36
2
+
6
=
31 18