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분수: 분모가 다른 덧셈5분수4

1
4 5
+
6 6
=
54 30
4
+
6
=
9 5
2
6 6
+
1 3
=
8 6
6
+
1
=
4 3
3
1 2
+
4 7
=
15 14
4
4 3
+
1 4
=
19 12
5
1 4
+
5 3
=
23 12
6
5 3
+
8 4
=
44 12
5
+
8
=
11 3
7
8 4
+
3 3
=
36 12
8
+
3
=
3
8
3 3
+
9 7
=
48 21
3
+
9
=
16 7
9
7 4
+
1 9
=
67 36
10
1 9
+
6 2
=
56 18
1
+
6
=
28 9
11
2 6
+
6 3
=
14 6
2
+
6
=
7 3
12
6 6
+
1 4
=
15 12
6
+
1
=
5 4
13
1 4
+
3 2
=
7 4
14
3 2
+
1 5
=
17 10
15
1 5
+
2 8
=
18 40
1
+
2
=
9 20