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분수: 분모가 다른 덧셈5분수2

1
2 5
+
7 8
=
51 40
2
1 7
+
5 4
=
39 28
3
4 4
+
1 8
=
9 8
4
1 4
+
8 7
=
39 28
5
8 7
+
9 2
=
79 14
6
9 2
+
8 5
=
61 10
7
8 5
+
5 9
=
97 45
8
5 9
+
8 5
=
97 45
9
5 7
+
2 3
=
29 21
10
2 3
+
4 2
=
16 6
2
+
4
=
8 3
11
2 6
+
3 5
=
28 30
2
+
3
=
14 15
12
8 3
+
2 8
=
70 24
8
+
2
=
35 12
13
2 8
+
3 3
=
30 24
2
+
3
=
5 4
14
2 3
+
5 2
=
19 6
15
5 2
+
9 3
=
33 6
5
+
9
=
11 2