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분수: 분모가 다른 덧셈2분수4

1
2 4
+
7 2
=
16 4
2
+
7
=
4
2
7 2
+
2 3
=
25 6
3
2 3
+
9 7
=
41 21
4
9 7
+
1 6
=
61 42
5
6 5
+
1 9
=
59 45
6
1 9
+
3 5
=
32 45
7
3 5
+
5 4
=
37 20
8
5 4
+
3 3
=
27 12
5
+
3
=
9 4
9
5 3
+
8 5
=
49 15
10
5 5
+
1 4
=
25 20
5
+
1
=
5 4
11
1 4
+
7 5
=
33 20
12
7 5
+
3 3
=
36 15
7
+
3
=
12 5
13
3 3
+
5 5
=
30 15
3
+
5
=
2
14
5 5
+
7 2
=
45 10
5
+
7
=
9 2
15
7 2
+
5 3
=
31 6