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분수: 분모가 다른 덧셈4분수5

1
4 5
+
3 7
=
43 35
2
7 4
+
1 7
=
53 28
3
1 3
+
5 5
=
20 15
1
+
5
=
4 3
4
5 5
+
7 6
=
65 30
5
+
7
=
13 6
5
7 6
+
3 7
=
67 42
6
7 8
+
1 9
=
71 72
7
9 5
+
1 8
=
77 40
8
1 8
+
6 3
=
51 24
1
+
6
=
17 8
9
6 3
+
1 2
=
15 6
6
+
1
=
5 2
10
1 2
+
3 4
=
5 4
11
3 4
+
2 7
=
29 28
12
2 7
+
6 2
=
46 14
2
+
6
=
23 7
13
6 2
+
4 4
=
16 4
6
+
4
=
4
14
4 4
+
1 6
=
14 12
4
+
1
=
7 6
15
1 6
+
6 4
=
20 12
1
+
6
=
5 3