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분수: 분모가 다른 덧셈1분수6

1
9 6
+
6 4
=
36 12
9
+
6
=
3
2
6 4
+
5 5
=
50 20
6
+
5
=
5 2
3
1 5
+
9 6
=
51 30
1
+
9
=
17 10
4
9 6
+
4 2
=
21 6
9
+
4
=
7 2
5
4 2
+
9 4
=
17 4
6
9 4
+
1 2
=
11 4
7
2 2
+
6 3
=
18 6
2
+
6
=
3
8
6 3
+
9 7
=
69 21
6
+
9
=
23 7
9
9 7
+
2 3
=
41 21
10
2 3
+
4 8
=
28 24
2
+
4
=
7 6
11
4 8
+
3 5
=
44 40
4
+
3
=
11 10
12
5 7
+
1 3
=
22 21
13
1 3
+
4 5
=
17 15
14
4 5
+
1 3
=
17 15
15
1 3
+
9 4
=
31 12