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분수: 분모가 다른 덧셈1분수5

1
1 5
+
3 7
=
22 35
2
1 2
+
4 3
=
11 6
3
4 3
+
6 2
=
26 6
4
+
6
=
13 3
4
2 4
+
7 9
=
46 36
2
+
7
=
23 18
5
7 9
+
4 3
=
19 9
6
1 2
+
3 9
=
15 18
1
+
3
=
5 6
7
3 9
+
9 3
=
30 9
3
+
9
=
10 3
8
1 7
+
3 4
=
25 28
9
3 4
+
2 7
=
29 28
10
2 7
+
1 2
=
11 14
11
1 2
+
2 6
=
5 6
12
2 6
+
4 4
=
16 12
2
+
4
=
4 3
13
4 4
+
6 6
=
24 12
4
+
6
=
2
14
6 6
+
5 2
=
21 6
6
+
5
=
7 2
15
5 2
+
4 7
=
43 14