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분수: 분모가 다른 덧셈5분수1

1
1 7
+
8 8
=
64 56
1
+
8
=
8 7
2
8 8
+
4 5
=
72 40
8
+
4
=
9 5
3
4 5
+
3 3
=
27 15
4
+
3
=
9 5
4
3 3
+
4 2
=
18 6
3
+
4
=
3
5
2 4
+
5 3
=
26 12
2
+
5
=
13 6
6
5 3
+
1 8
=
43 24
7
1 4
+
4 2
=
9 4
8
4 2
+
1 3
=
14 6
4
+
1
=
7 3
9
1 3
+
7 7
=
28 21
1
+
7
=
4 3
10
7 7
+
1 5
=
42 35
7
+
1
=
6 5
11
1 5
+
7 3
=
38 15
12
3 7
+
1 9
=
34 63
13
9 4
+
1 8
=
19 8
14
1 8
+
2 5
=
21 40
15
2 5
+
6 4
=
38 20
2
+
6
=
19 10