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분수: 분모가 다른 덧셈1분수5

1
1 5
+
5 7
=
32 35
2
5 7
+
8 3
=
71 21
3
1 3
+
4 7
=
19 21
4
4 7
+
7 5
=
69 35
5
4 5
+
1 7
=
33 35
6
1 7
+
2 4
=
18 28
1
+
2
=
9 14
7
2 4
+
8 5
=
42 20
2
+
8
=
21 10
8
2 5
+
1 3
=
11 15
9
1 3
+
5 2
=
17 6
10
5 2
+
3 8
=
23 8
11
1 8
+
4 7
=
39 56
12
4 7
+
7 2
=
57 14
13
1 2
+
5 9
=
19 18
14
5 9
+
8 4
=
92 36
5
+
8
=
23 9
15
8 4
+
2 2
=
12 4
8
+
2
=
3