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분수: 분모가 다른 덧셈6분수7

1
6 7
+
5 4
=
59 28
2
5 4
+
4 7
=
51 28
3
4 7
+
1 6
=
31 42
4
1 6
+
7 4
=
23 12
5
4 7
+
5 3
=
47 21
6
7 5
+
5 4
=
53 20
7
5 4
+
4 3
=
31 12
8
1 9
+
3 6
=
11 18
9
6 3
+
4 6
=
16 6
6
+
4
=
8 3
10
4 6
+
6 2
=
22 6
4
+
6
=
11 3
11
2 2
+
1 6
=
7 6
12
1 8
+
2 5
=
21 40
13
2 5
+
1 3
=
11 15
14
1 3
+
7 5
=
26 15
15
7 5
+
8 4
=
68 20
7
+
8
=
17 5