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분수: 분모가 다른 덧셈3분수7

1
3 7
+
6 4
=
54 28
3
+
6
=
27 14
2
8 4
+
5 3
=
44 12
8
+
5
=
11 3
3
3 5
+
5 3
=
34 15
4
5 4
+
1 3
=
19 12
5
2 7
+
8 5
=
66 35
6
8 5
+
5 3
=
49 15
7
5 3
+
9 6
=
19 6
8
9 6
+
6 2
=
27 6
9
+
6
=
9 2
9
6 4
+
1 9
=
58 36
6
+
1
=
29 18
10
5 9
+
3 6
=
19 18
11
3 6
+
1 9
=
11 18
12
1 9
+
2 3
=
7 9
13
3 2
+
4 4
=
10 4
3
+
4
=
5 2
14
4 4
+
8 3
=
44 12
4
+
8
=
11 3
15
8 3
+
2 6
=
18 6
8
+
2
=
3