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분수: 분모가 다른 덧셈3분수7

1
3 7
+
8 2
=
62 14
3
+
8
=
31 7
2
8 2
+
4 7
=
64 14
8
+
4
=
32 7
3
4 7
+
1 4
=
23 28
4
1 4
+
6 2
=
13 4
5
6 2
+
1 3
=
20 6
6
+
1
=
10 3
6
1 3
+
5 5
=
20 15
1
+
5
=
4 3
7
5 5
+
8 3
=
55 15
5
+
8
=
11 3
8
8 3
+
1 7
=
59 21
9
1 7
+
5 8
=
43 56
10
5 8
+
2 6
=
23 24
11
2 6
+
9 5
=
64 30
2
+
9
=
32 15
12
5 9
+
8 3
=
29 9
13
8 3
+
7 2
=
37 6
14
7 2
+
6 3
=
33 6
7
+
6
=
11 2
15
1 3
+
5 8
=
23 24