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분수: 분모가 다른 덧셈4분수2

1
4 2
+
3 4
=
11 4
2
3 4
+
6 8
=
12 8
3
+
6
=
3 2
3
6 8
+
2 3
=
34 24
6
+
2
=
17 12
4
2 3
+
7 2
=
25 6
5
7 2
+
4 6
=
25 6
6
4 6
+
5 7
=
58 42
4
+
5
=
29 21
7
1 7
+
4 2
=
30 14
1
+
4
=
15 7
8
4 2
+
9 9
=
54 18
4
+
9
=
3
9
9 9
+
4 6
=
30 18
9
+
4
=
5 3
10
4 6
+
2 3
=
8 6
4
+
2
=
4 3
11
3 2
+
4 6
=
13 6
12
1 4
+
4 3
=
19 12
13
3 6
+
1 3
=
5 6
14
3 4
+
1 5
=
19 20
15
1 5
+
5 6
=
31 30