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분수: 분모가 다른 덧셈4분수2

1
4 2
+
5 6
=
17 6
2
5 6
+
3 2
=
14 6
5
+
3
=
7 3
3
3 2
+
4 3
=
17 6
4
3 5
+
1 2
=
11 10
5
1 2
+
5 3
=
13 6
6
4 3
+
2 7
=
34 21
7
2 7
+
5 5
=
45 35
2
+
5
=
9 7
8
5 5
+
4 3
=
35 15
5
+
4
=
7 3
9
4 3
+
9 6
=
17 6
10
9 6
+
3 7
=
81 42
9
+
3
=
27 14
11
7 6
+
1 3
=
9 6
7
+
1
=
3 2
12
1 3
+
5 7
=
22 21
13
5 7
+
7 4
=
69 28
14
7 4
+
8 2
=
23 4
15
8 2
+
5 3
=
34 6
8
+
5
=
17 3