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분수: 분모가 다른 덧셈2분수0

1
2 9
+
1 3
=
5 9
2
1 3
+
5 2
=
17 6
3
5 2
+
9 3
=
33 6
5
+
9
=
11 2
4
9 3
+
1 7
=
66 21
9
+
1
=
22 7
5
1 7
+
2 2
=
16 14
1
+
2
=
8 7
6
2 2
+
4 5
=
18 10
2
+
4
=
9 5
7
1 8
+
3 7
=
31 56
8
3 7
+
4 3
=
37 21
9
4 3
+
6 9
=
18 9
4
+
6
=
2
10
9 6
+
2 4
=
24 12
9
+
2
=
2
11
2 4
+
5 8
=
9 8
12
5 8
+
1 6
=
19 24
13
1 6
+
5 3
=
11 6
14
3 7
+
1 9
=
34 63
15
1 5
+
9 9
=
54 45
1
+
9
=
6 5