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분수: 분모가 다른 덧셈3분수5

1
3 5
+
5 9
=
52 45
2
5 9
+
3 4
=
47 36
3
3 4
+
8 7
=
53 28
4
8 7
+
5 4
=
67 28
5
5 4
+
7 5
=
53 20
6
7 5
+
4 4
=
48 20
7
+
4
=
12 5
7
3 4
+
4 5
=
31 20
8
6 5
+
8 8
=
88 40
6
+
8
=
11 5
9
8 8
+
3 3
=
48 24
8
+
3
=
2
10
3 3
+
6 6
=
12 6
3
+
6
=
2
11
1 6
+
2 8
=
10 24
1
+
2
=
5 12
12
8 7
+
1 4
=
39 28
13
1 4
+
6 7
=
31 28
14
6 7
+
1 2
=
19 14
15
6 6
+
1 3
=
8 6
6
+
1
=
4 3