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분수: 분모가 다른 덧셈4분수5

1
4 5
+
1 3
=
17 15
2
3 3
+
4 2
=
18 6
3
+
4
=
3
3
4 2
+
8 7
=
44 14
4
+
8
=
22 7
4
8 7
+
5 2
=
51 14
5
5 2
+
2 5
=
29 10
6
5 3
+
1 8
=
43 24
7
1 8
+
5 3
=
43 24
8
5 3
+
3 7
=
44 21
9
7 3
+
1 4
=
31 12
10
1 4
+
3 9
=
21 36
1
+
3
=
7 12
11
9 6
+
1 3
=
11 6
12
1 3
+
5 4
=
19 12
13
5 5
+
7 4
=
55 20
5
+
7
=
11 4
14
7 4
+
4 5
=
51 20
15
2 5
+
3 8
=
31 40