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분수: 분모가 다른 덧셈2분수4

1
2 4
+
7 3
=
34 12
2
+
7
=
17 6
2
3 7
+
5 2
=
41 14
3
5 2
+
1 5
=
27 10
4
1 5
+
7 8
=
43 40
5
7 8
+
2 6
=
29 24
6
6 4
+
1 8
=
13 8
7
1 8
+
5 3
=
43 24
8
5 3
+
9 6
=
19 6
9
9 6
+
1 5
=
51 30
9
+
1
=
17 10
10
1 5
+
8 3
=
43 15
11
2 5
+
1 6
=
17 30
12
1 6
+
2 2
=
7 6
13
1 2
+
5 4
=
7 4
14
5 4
+
9 9
=
81 36
5
+
9
=
9 4
15
1 4
+
2 3
=
11 12