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분수: 분모가 다른 덧셈4분수2

1
4 2
+
6 9
=
48 18
4
+
6
=
8 3
2
6 9
+
3 5
=
57 45
6
+
3
=
19 15
3
5 3
+
3 6
=
13 6
4
6 3
+
1 9
=
19 9
5
1 9
+
6 3
=
19 9
6
6 3
+
1 6
=
13 6
7
1 6
+
3 4
=
11 12
8
3 4
+
7 5
=
43 20
9
7 5
+
3 2
=
29 10
10
3 2
+
5 6
=
14 6
3
+
5
=
7 3
11
5 6
+
1 7
=
41 42
12
1 7
+
6 4
=
46 28
1
+
6
=
23 14
13
6 4
+
1 3
=
22 12
6
+
1
=
11 6
14
3 2
+
1 8
=
13 8
15
1 8
+
6 3
=
51 24
1
+
6
=
17 8