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분수: 분모가 다른 덧셈2분수2

1
2 2
+
7 4
=
11 4
2
4 4
+
1 2
=
6 4
4
+
1
=
3 2
3
1 2
+
4 6
=
7 6
4
4 6
+
1 5
=
26 30
4
+
1
=
13 15
5
5 6
+
1 9
=
17 18
6
1 9
+
6 2
=
56 18
1
+
6
=
28 9
7
6 2
+
1 5
=
32 10
6
+
1
=
16 5
8
5 8
+
1 9
=
53 72
9
1 9
+
9 3
=
28 9
10
3 7
+
1 6
=
25 42
11
1 6
+
3 4
=
11 12
12
3 4
+
1 8
=
7 8
13
1 8
+
7 6
=
31 24
14
7 6
+
3 4
=
23 12
15
3 4
+
5 3
=
29 12