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분수: 분모가 다른 덧셈2분수1

1
1 5
+
5 4
=
29 20
2
5 4
+
4 2
=
13 4
3
4 2
+
1 4
=
9 4
4
1 4
+
2 8
=
4 8
1
+
2
=
1 2
5
2 8
+
5 5
=
50 40
2
+
5
=
5 4
6
5 5
+
2 7
=
45 35
5
+
2
=
9 7
7
2 7
+
3 4
=
29 28
8
1 4
+
3 9
=
21 36
1
+
3
=
7 12
9
3 9
+
9 6
=
33 18
3
+
9
=
11 6
10
9 6
+
1 2
=
12 6
9
+
1
=
2
11
1 6
+
8 5
=
53 30
12
8 5
+
7 6
=
83 30
13
7 6
+
5 2
=
22 6
7
+
5
=
11 3
14
5 2
+
2 9
=
49 18
15
2 9
+
5 5
=
55 45
2
+
5
=
11 9