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분수: 분모가 다른 덧셈6분수1

1
1 4
+
5 7
=
27 28
2
5 7
+
1 3
=
22 21
3
6 3
+
5 7
=
57 21
6
+
5
=
19 7
4
7 5
+
2 8
=
66 40
7
+
2
=
33 20
5
4 8
+
2 3
=
28 24
4
+
2
=
7 6
6
3 2
+
9 6
=
18 6
3
+
9
=
3
7
6 6
+
3 9
=
24 18
6
+
3
=
4 3
8
3 9
+
1 3
=
6 9
3
+
1
=
2 3
9
1 3
+
4 7
=
19 21
10
1 3
+
2 6
=
4 6
1
+
2
=
2 3
11
2 6
+
8 4
=
28 12
2
+
8
=
7 3
12
8 4
+
6 8
=
22 8
8
+
6
=
11 4
13
8 5
+
1 9
=
77 45
14
1 9
+
5 6
=
17 18
15
5 6
+
2 5
=
37 30