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분수: 분모가 다른 덧셈4분수2

1
4 2
+
9 3
=
30 6
4
+
9
=
5
2
3 9
+
9 5
=
96 45
3
+
9
=
32 15
3
9 5
+
5 4
=
61 20
4
3 5
+
4 9
=
47 45
5
4 9
+
6 2
=
62 18
4
+
6
=
31 9
6
6 2
+
7 4
=
19 4
7
7 4
+
6 3
=
45 12
7
+
6
=
15 4
8
6 3
+
3 4
=
33 12
6
+
3
=
11 4
9
3 4
+
6 5
=
39 20
10
5 6
+
7 3
=
19 6
11
7 3
+
3 8
=
65 24
12
3 8
+
2 4
=
7 8
13
2 4
+
4 5
=
26 20
2
+
4
=
13 10
14
5 4
+
1 2
=
7 4
15
3 2
+
6 3
=
21 6
3
+
6
=
7 2