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분수: 분모가 다른 덧셈4분수2

1
4 2
+
3 3
=
18 6
4
+
3
=
3
2
3 6
+
1 2
=
6 6
3
+
1
=
1
3
1 2
+
3 9
=
15 18
1
+
3
=
5 6
4
3 9
+
5 2
=
51 18
3
+
5
=
17 6
5
5 2
+
6 9
=
57 18
5
+
6
=
19 6
6
6 9
+
1 5
=
39 45
6
+
1
=
13 15
7
1 5
+
3 4
=
19 20
8
3 4
+
1 7
=
25 28
9
1 5
+
6 3
=
33 15
1
+
6
=
11 5
10
6 3
+
5 2
=
27 6
6
+
5
=
9 2
11
2 9
+
1 5
=
19 45
12
1 5
+
5 9
=
34 45
13
5 9
+
6 6
=
28 18
5
+
6
=
14 9
14
6 6
+
3 8
=
33 24
6
+
3
=
11 8
15
3 8
+
2 6
=
17 24