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분수: 분모가 다른 덧셈1분수5

1
1 5
+
3 4
=
19 20
2
3 4
+
7 2
=
17 4
3
7 2
+
1 9
=
65 18
4
1 9
+
5 8
=
53 72
5
5 8
+
4 7
=
67 56
6
7 3
+
1 2
=
17 6
7
1 2
+
9 3
=
21 6
1
+
9
=
7 2
8
9 3
+
1 9
=
28 9
9
1 9
+
3 3
=
10 9
10
3 3
+
5 4
=
27 12
3
+
5
=
9 4
11
5 4
+
8 6
=
31 12
12
1 6
+
5 2
=
16 6
1
+
5
=
8 3
13
5 2
+
3 9
=
51 18
5
+
3
=
17 6
14
3 9
+
9 8
=
105 72
3
+
9
=
35 24
15
9 8
+
4 5
=
77 40