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분수: 분모가 다른 덧셈4분수5

1
1 5
+
7 9
=
44 45
2
7 9
+
4 8
=
92 72
7
+
4
=
23 18
3
4 8
+
8 4
=
20 8
4
+
8
=
5 2
4
8 2
+
1 7
=
58 14
8
+
1
=
29 7
5
1 7
+
7 5
=
54 35
6
7 5
+
5 3
=
46 15
7
5 3
+
6 2
=
28 6
5
+
6
=
14 3
8
2 6
+
9 4
=
31 12
9
4 8
+
1 2
=
8 8
4
+
1
=
1
10
1 2
+
5 3
=
13 6
11
5 7
+
1 5
=
32 35
12
1 5
+
8 4
=
44 20
1
+
8
=
11 5
13
8 4
+
7 2
=
22 4
8
+
7
=
11 2
14
7 2
+
4 5
=
43 10
15
4 5
+
6 3
=
42 15
4
+
6
=
14 5