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분수: 분모가 다른 덧셈1분수4

1
1 4
+
7 3
=
31 12
2
7 3
+
9 6
=
23 6
3
9 6
+
2 4
=
24 12
9
+
2
=
2
4
1 2
+
9 6
=
12 6
1
+
9
=
2
5
2 3
+
1 9
=
7 9
6
1 9
+
5 2
=
47 18
7
5 2
+
9 7
=
53 14
8
9 7
+
3 2
=
39 14
9
3 2
+
7 8
=
19 8
10
7 8
+
9 3
=
93 24
7
+
9
=
31 8
11
9 3
+
3 6
=
21 6
9
+
3
=
7 2
12
6 6
+
1 7
=
48 42
6
+
1
=
8 7
13
1 7
+
4 9
=
37 63
14
4 9
+
2 8
=
50 72
4
+
2
=
25 36
15
2 8
+
1 5
=
18 40
2
+
1
=
9 20