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분수: 분모가 다른 덧셈5분수4

1
4 8
+
8 4
=
20 8
4
+
8
=
5 2
2
9 4
+
4 2
=
17 4
3
4 2
+
1 8
=
17 8
4
5 5
+
1 3
=
20 15
5
+
1
=
4 3
5
3 5
+
1 2
=
11 10
6
2 6
+
1 4
=
7 12
7
1 4
+
3 2
=
7 4
8
2 3
+
5 9
=
11 9
9
5 3
+
1 5
=
28 15
10
1 4
+
5 2
=
11 4
11
5 2
+
1 8
=
21 8
12
1 8
+
4 5
=
37 40
13
4 5
+
3 3
=
27 15
4
+
3
=
9 5
14
3 6
+
1 7
=
27 42
3
+
1
=
9 14
15
1 7
+
8 6
=
62 42
1
+
8
=
31 21