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분수: 분모가 다른 덧셈4분수2

1
4 2
+
3 3
=
18 6
4
+
3
=
3
2
3 3
+
9 7
=
48 21
3
+
9
=
16 7
3
7 4
+
1 6
=
23 12
4
1 6
+
6 2
=
19 6
5
6 2
+
2 4
=
14 4
6
+
2
=
7 2
6
2 5
+
1 9
=
23 45
7
1 9
+
6 3
=
19 9
8
6 3
+
8 2
=
36 6
6
+
8
=
6
9
8 2
+
3 6
=
27 6
8
+
3
=
9 2
10
3 6
+
2 5
=
27 30
3
+
2
=
9 10
11
2 5
+
5 4
=
33 20
12
3 4
+
4 6
=
17 12
13
4 6
+
5 3
=
14 6
4
+
5
=
7 3
14
3 5
+
6 7
=
51 35
15
6 7
+
7 6
=
85 42