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분수: 분모가 다른 덧셈1분수4

1
1 4
+
6 7
=
31 28
2
6 7
+
1 8
=
55 56
3
8 4
+
1 8
=
17 8
4
1 9
+
4 4
=
40 36
1
+
4
=
10 9
5
4 2
+
1 8
=
17 8
6
1 8
+
5 2
=
21 8
7
6 2
+
8 3
=
34 6
6
+
8
=
17 3
8
1 5
+
5 7
=
32 35
9
1 3
+
9 2
=
29 6
10
9 2
+
3 6
=
30 6
9
+
3
=
5
11
3 6
+
7 5
=
57 30
3
+
7
=
19 10
12
2 4
+
8 8
=
12 8
2
+
8
=
3 2
13
8 8
+
6 3
=
72 24
8
+
6
=
3
14
6 3
+
5 5
=
45 15
6
+
5
=
3
15
5 5
+
3 3
=
30 15
5
+
3
=
2