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분수: 분모가 다른 덧셈1분수3

1
6 2
+
1 4
=
13 4
2
1 4
+
3 8
=
5 8
3
3 8
+
5 6
=
29 24
4
1 4
+
3 3
=
15 12
1
+
3
=
5 4
5
3 3
+
4 4
=
24 12
3
+
4
=
2
6
4 4
+
7 3
=
40 12
4
+
7
=
10 3
7
7 3
+
5 4
=
43 12
8
5 4
+
6 3
=
39 12
5
+
6
=
13 4
9
3 3
+
1 8
=
27 24
3
+
1
=
9 8
10
1 8
+
4 9
=
41 72
11
6 2
+
2 5
=
34 10
6
+
2
=
17 5
12
2 5
+
4 7
=
34 35
13
7 4
+
1 3
=
25 12
14
1 3
+
3 4
=
13 12
15
3 4
+
2 2
=
7 4