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분수: 분모가 다른 덧셈4분수6

1
6 9
+
1 2
=
21 18
6
+
1
=
7 6
2
1 5
+
9 6
=
51 30
1
+
9
=
17 10
3
9 6
+
6 3
=
21 6
9
+
6
=
7 2
4
3 6
+
1 5
=
21 30
3
+
1
=
7 10
5
1 5
+
7 4
=
39 20
6
7 4
+
4 2
=
15 4
7
4 2
+
1 4
=
9 4
8
4 6
+
1 2
=
7 6
9
1 2
+
7 6
=
10 6
1
+
7
=
5 3
10
6 6
+
1 4
=
15 12
6
+
1
=
5 4
11
1 4
+
9 5
=
41 20
12
9 5
+
4 7
=
83 35
13
4 7
+
1 4
=
23 28
14
1 4
+
2 2
=
5 4
15
2 2
+
1 5
=
12 10
2
+
1
=
6 5