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분수: 분모가 다른 덧셈8분수4

1
4 4
+
9 3
=
48 12
4
+
9
=
4
2
3 9
+
1 4
=
21 36
3
+
1
=
7 12
3
1 4
+
7 9
=
37 36
4
7 9
+
9 7
=
130 63
5
9 7
+
3 2
=
39 14
6
3 2
+
4 5
=
23 10
7
4 5
+
3 6
=
39 30
4
+
3
=
13 10
8
1 6
+
4 2
=
13 6
9
4 2
+
1 5
=
22 10
4
+
1
=
11 5
10
1 5
+
2 3
=
13 15
11
2 3
+
3 4
=
17 12
12
3 4
+
7 8
=
13 8
13
1 9
+
6 3
=
19 9
14
6 3
+
1 8
=
51 24
6
+
1
=
17 8
15
1 8
+
3 9
=
33 72
1
+
3
=
11 24