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분수: 분모가 다른 덧셈1분수2

1
1 2
+
3 4
=
5 4
2
3 4
+
8 9
=
59 36
3
8 9
+
6 2
=
70 18
8
+
6
=
35 9
4
6 2
+
9 4
=
21 4
5
9 4
+
4 2
=
17 4
6
2 4
+
4 7
=
30 28
2
+
4
=
15 14
7
4 7
+
2 3
=
26 21
8
5 3
+
9 6
=
19 6
9
9 5
+
5 9
=
106 45
10
1 4
+
7 2
=
15 4
11
7 2
+
4 5
=
43 10
12
1 4
+
3 3
=
15 12
1
+
3
=
5 4
13
9 3
+
4 8
=
84 24
9
+
4
=
7 2
14
4 6
+
1 2
=
7 6
15
1 2
+
2 4
=
4 4
1
+
2
=
1