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분수: 분모가 다른 덧셈5분수1

1
1 7
+
2 4
=
18 28
1
+
2
=
9 14
2
2 4
+
3 5
=
22 20
2
+
3
=
11 10
3
6 5
+
2 8
=
58 40
6
+
2
=
29 20
4
2 8
+
4 7
=
46 56
2
+
4
=
23 28
5
4 7
+
6 4
=
58 28
4
+
6
=
29 14
6
6 4
+
1 5
=
34 20
6
+
1
=
17 10
7
5 5
+
6 6
=
60 30
5
+
6
=
2
8
6 4
+
1 8
=
13 8
9
1 6
+
5 4
=
17 12
10
5 4
+
9 7
=
71 28
11
9 7
+
4 5
=
73 35
12
4 5
+
7 6
=
59 30
13
7 6
+
3 3
=
13 6
14
3 3
+
1 5
=
18 15
3
+
1
=
6 5
15
1 5
+
6 6
=
36 30
1
+
6
=
6 5