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분수: 분모가 다른 덧셈5분수2

1
2 6
+
1 5
=
16 30
2
+
1
=
8 15
2
1 5
+
3 2
=
17 10
3
8 2
+
2 4
=
18 4
8
+
2
=
9 2
4
2 4
+
3 6
=
12 12
2
+
3
=
1
5
3 6
+
9 3
=
21 6
3
+
9
=
7 2
6
5 3
+
8 2
=
34 6
5
+
8
=
17 3
7
8 2
+
1 5
=
42 10
8
+
1
=
21 5
8
1 5
+
7 9
=
44 45
9
7 9
+
4 5
=
71 45
10
5 3
+
1 8
=
43 24
11
1 8
+
7 3
=
59 24
12
7 3
+
1 5
=
38 15
13
1 5
+
9 2
=
47 10
14
9 2
+
8 7
=
79 14
15
1 3
+
5 8
=
23 24