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분수: 분모가 다른 덧셈5분수4

1
5 4
+
2 3
=
23 12
2
2 3
+
3 7
=
23 21
3
7 3
+
2 7
=
55 21
4
2 7
+
1 6
=
19 42
5
3 6
+
2 4
=
12 12
3
+
2
=
1
6
5 4
+
6 2
=
17 4
7
6 2
+
4 9
=
62 18
6
+
4
=
31 9
8
9 3
+
1 7
=
66 21
9
+
1
=
22 7
9
1 7
+
3 9
=
30 63
1
+
3
=
10 21
10
3 9
+
8 2
=
78 18
3
+
8
=
13 3
11
2 9
+
1 3
=
5 9
12
1 3
+
2 5
=
11 15
13
2 5
+
5 7
=
39 35
14
5 7
+
4 4
=
48 28
5
+
4
=
12 7
15
4 4
+
2 9
=
44 36
4
+
2
=
11 9