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분수: 분모가 다른 덧셈5분수7

1
5 7
+
9 3
=
78 21
5
+
9
=
26 7
2
9 3
+
5 8
=
87 24
9
+
5
=
29 8
3
7 3
+
1 9
=
22 9
4
1 9
+
5 6
=
17 18
5
5 6
+
9 5
=
79 30
6
9 5
+
5 4
=
61 20
7
2 4
+
6 2
=
14 4
2
+
6
=
7 2
8
1 4
+
3 6
=
9 12
1
+
3
=
3 4
9
3 6
+
9 3
=
21 6
3
+
9
=
7 2
10
9 3
+
7 4
=
57 12
9
+
7
=
19 4
11
4 3
+
1 7
=
31 21
12
1 7
+
4 2
=
30 14
1
+
4
=
15 7
13
4 2
+
2 8
=
18 8
4
+
2
=
9 4
14
2 8
+
8 5
=
74 40
2
+
8
=
37 20
15
8 5
+
7 4
=
67 20