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분수: 분모가 다른 덧셈5분수7

1
5 7
+
2 8
=
54 56
5
+
2
=
27 28
2
1 6
+
5 7
=
37 42
3
5 7
+
1 2
=
17 14
4
1 2
+
8 7
=
23 14
5
3 7
+
1 4
=
19 28
6
4 8
+
1 2
=
8 8
4
+
1
=
1
7
7 2
+
1 9
=
65 18
8
1 9
+
5 5
=
50 45
1
+
5
=
10 9
9
5 5
+
1 4
=
25 20
5
+
1
=
5 4
10
1 4
+
5 3
=
23 12
11
5 3
+
2 4
=
26 12
5
+
2
=
13 6
12
2 4
+
4 2
=
10 4
2
+
4
=
5 2
13
2 4
+
4 8
=
8 8
2
+
4
=
1
14
4 8
+
2 7
=
44 56
4
+
2
=
11 14
15
2 7
+
9 4
=
71 28