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분수: 분모가 다른 덧셈1분수4

1
1 6
+
2 5
=
17 30
2
2 5
+
1 6
=
17 30
3
1 6
+
2 4
=
8 12
1
+
2
=
2 3
4
4 6
+
3 8
=
25 24
5
3 8
+
5 3
=
49 24
6
3 4
+
1 7
=
25 28
7
1 7
+
4 4
=
32 28
1
+
4
=
8 7
8
4 4
+
7 2
=
18 4
4
+
7
=
9 2
9
2 6
+
1 9
=
8 18
2
+
1
=
4 9
10
1 5
+
9 3
=
48 15
1
+
9
=
16 5
11
9 3
+
3 7
=
72 21
9
+
3
=
24 7
12
1 6
+
3 2
=
10 6
1
+
3
=
5 3
13
3 2
+
1 6
=
10 6
3
+
1
=
5 3
14
1 4
+
3 6
=
9 12
1
+
3
=
3 4
15
3 6
+
2 2
=
9 6
3
+
2
=
3 2