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분수: 분모가 다른 덧셈4분수3

1
3 4
+
6 3
=
33 12
3
+
6
=
11 4
2
6 3
+
8 6
=
20 6
6
+
8
=
10 3
3
8 6
+
2 3
=
12 6
8
+
2
=
2
4
2 3
+
3 6
=
7 6
5
3 6
+
9 4
=
33 12
3
+
9
=
11 4
6
9 4
+
3 5
=
57 20
7
3 5
+
7 4
=
47 20
8
7 4
+
5 8
=
19 8
9
5 8
+
4 5
=
57 40
10
4 5
+
5 4
=
41 20
11
5 4
+
4 5
=
41 20
12
4 5
+
7 3
=
47 15
13
1 3
+
4 5
=
17 15
14
4 5
+
1 3
=
17 15
15
1 3
+
8 7
=
31 21