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분수: 분모가 다른 덧셈4분수1

1
4 4
+
1 2
=
6 4
4
+
1
=
3 2
2
1 2
+
4 3
=
11 6
3
3 4
+
8 3
=
41 12
4
8 3
+
3 9
=
27 9
8
+
3
=
3
5
3 9
+
4 2
=
42 18
3
+
4
=
7 3
6
4 2
+
8 4
=
16 4
4
+
8
=
4
7
4 5
+
3 6
=
39 30
4
+
3
=
13 10
8
3 6
+
1 3
=
5 6
9
1 3
+
5 4
=
19 12
10
5 4
+
2 7
=
43 28
11
2 7
+
9 9
=
81 63
2
+
9
=
9 7
12
9 9
+
8 2
=
90 18
9
+
8
=
5
13
8 2
+
5 6
=
29 6
14
6 5
+
5 6
=
61 30
15
1 2
+
8 3
=
19 6