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분수: 분모가 다른 덧셈1분수9

1
1 9
+
2 2
=
20 18
1
+
2
=
10 9
2
2 2
+
5 8
=
13 8
3
5 8
+
4 5
=
57 40
4
4 5
+
3 2
=
23 10
5
2 7
+
1 3
=
13 21
6
1 3
+
9 2
=
29 6
7
9 2
+
3 5
=
51 10
8
5 3
+
4 9
=
19 9
9
9 4
+
1 6
=
29 12
10
6 2
+
1 9
=
56 18
6
+
1
=
28 9
11
1 9
+
3 2
=
29 18
12
1 7
+
3 3
=
24 21
1
+
3
=
8 7
13
1 4
+
4 9
=
25 36
14
4 9
+
2 8
=
50 72
4
+
2
=
25 36
15
2 8
+
6 2
=
26 8
2
+
6
=
13 4