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분수: 분모가 다른 덧셈3분수2

1
9 2
+
1 9
=
83 18
2
9 4
+
1 8
=
19 8
3
8 6
+
1 4
=
19 12
4
1 4
+
4 3
=
19 12
5
4 3
+
8 5
=
44 15
6
5 2
+
1 3
=
17 6
7
1 3
+
4 4
=
16 12
1
+
4
=
4 3
8
4 4
+
2 6
=
16 12
4
+
2
=
4 3
9
2 6
+
5 2
=
17 6
10
5 2
+
6 7
=
47 14
11
7 4
+
1 7
=
53 28
12
1 7
+
8 9
=
65 63
13
9 5
+
1 3
=
32 15
14
1 3
+
2 7
=
13 21
15
2 7
+
4 6
=
40 42
2
+
4
=
20 21