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분수: 분모가 다른 덧셈2분수4

1
3 2
+
6 3
=
21 6
3
+
6
=
7 2
2
6 3
+
2 4
=
30 12
6
+
2
=
5 2
3
2 4
+
4 9
=
34 36
2
+
4
=
17 18
4
4 9
+
2 3
=
10 9
5
2 3
+
4 2
=
16 6
2
+
4
=
8 3
6
4 2
+
1 8
=
17 8
7
1 8
+
3 3
=
27 24
1
+
3
=
9 8
8
3 3
+
4 6
=
10 6
3
+
4
=
5 3
9
6 8
+
1 5
=
38 40
6
+
1
=
19 20
10
4 4
+
1 7
=
32 28
4
+
1
=
8 7
11
1 7
+
2 4
=
18 28
1
+
2
=
9 14
12
2 4
+
7 5
=
38 20
2
+
7
=
19 10
13
7 5
+
8 8
=
96 40
7
+
8
=
12 5
14
8 8
+
1 3
=
32 24
8
+
1
=
4 3
15
4 4
+
1 3
=
16 12
4
+
1
=
4 3