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분수: 분모가 다른 덧셈7분수4

1
7 4
+
1 6
=
23 12
2
1 6
+
5 3
=
11 6
3
5 3
+
1 5
=
28 15
4
1 5
+
4 3
=
23 15
5
3 5
+
1 6
=
23 30
6
1 6
+
6 3
=
13 6
7
9 3
+
5 2
=
33 6
9
+
5
=
11 2
8
1 3
+
4 4
=
16 12
1
+
4
=
4 3
9
4 4
+
9 3
=
48 12
4
+
9
=
4
10
9 3
+
2 9
=
29 9
11
2 9
+
3 3
=
11 9
12
5 3
+
9 8
=
67 24
13
9 8
+
5 4
=
19 8
14
5 4
+
1 5
=
29 20
15
1 5
+
5 2
=
27 10