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분수: 분모가 다른 덧셈3분수3

1
3 3
+
8 5
=
39 15
3
+
8
=
13 5
2
8 5
+
9 7
=
101 35
3
9 7
+
5 3
=
62 21
4
3 7
+
1 6
=
25 42
5
1 7
+
2 3
=
17 21
6
2 3
+
7 2
=
25 6
7
7 2
+
6 3
=
33 6
7
+
6
=
11 2
8
3 6
+
2 3
=
7 6
9
2 3
+
1 2
=
7 6
10
2 2
+
1 3
=
8 6
2
+
1
=
4 3
11
1 3
+
5 2
=
17 6
12
2 4
+
1 2
=
4 4
2
+
1
=
1
13
1 2
+
4 5
=
13 10
14
4 5
+
6 6
=
54 30
4
+
6
=
9 5
15
6 6
+
1 2
=
9 6
6
+
1
=
3 2