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분수: 분모가 다른 덧셈2분수0

1
1 3
+
5 2
=
17 6
2
6 2
+
4 9
=
62 18
6
+
4
=
31 9
3
4 9
+
1 2
=
17 18
4
1 2
+
3 7
=
13 14
5
3 7
+
1 3
=
16 21
6
1 3
+
2 5
=
11 15
7
2 5
+
5 3
=
31 15
8
5 3
+
2 5
=
31 15
9
2 5
+
4 3
=
26 15
10
5 3
+
1 2
=
13 6
11
1 2
+
4 5
=
13 10
12
4 5
+
5 7
=
53 35
13
7 5
+
1 9
=
68 45
14
1 9
+
7 2
=
65 18
15
7 2
+
9 4
=
23 4