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분수: 분모가 다른 덧셈4분수4

1
1 5
+
4 8
=
28 40
1
+
4
=
7 10
2
4 8
+
5 3
=
52 24
4
+
5
=
13 6
3
3 5
+
2 3
=
19 15
4
2 3
+
9 4
=
35 12
5
4 9
+
6 5
=
74 45
6
6 5
+
3 2
=
27 10
7
1 4
+
6 8
=
8 8
1
+
6
=
1
8
6 8
+
4 4
=
14 8
6
+
4
=
7 4
9
4 4
+
9 6
=
30 12
4
+
9
=
5 2
10
9 6
+
7 2
=
30 6
9
+
7
=
5
11
7 2
+
5 3
=
31 6
12
5 3
+
8 7
=
59 21
13
7 2
+
9 7
=
67 14
14
4 7
+
2 2
=
22 14
4
+
2
=
11 7
15
2 2
+
7 4
=
11 4