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분수: 분모가 다른 덧셈4분수9

1
9 8
+
1 5
=
53 40
2
1 5
+
5 6
=
31 30
3
1 3
+
2 2
=
8 6
1
+
2
=
4 3
4
2 2
+
9 9
=
36 18
2
+
9
=
2
5
9 9
+
2 6
=
24 18
9
+
2
=
4 3
6
2 6
+
5 2
=
17 6
7
5 2
+
9 9
=
63 18
5
+
9
=
7 2
8
9 9
+
3 2
=
45 18
9
+
3
=
5 2
9
3 2
+
5 3
=
19 6
10
1 4
+
6 6
=
15 12
1
+
6
=
5 4
11
6 6
+
5 2
=
21 6
6
+
5
=
7 2
12
5 2
+
1 5
=
27 10
13
1 5
+
4 9
=
29 45
14
4 9
+
5 4
=
61 36
15
4 5
+
3 6
=
39 30
4
+
3
=
13 10