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분수: 분모가 다른 덧셈2분수5

1
2 5
+
8 4
=
48 20
2
+
8
=
12 5
2
8 4
+
4 6
=
32 12
8
+
4
=
8 3
3
4 6
+
3 7
=
46 42
4
+
3
=
23 21
4
3 7
+
5 9
=
62 63
5
9 5
+
2 7
=
73 35
6
7 2
+
4 9
=
71 18
7
4 9
+
7 4
=
79 36
8
7 4
+
4 9
=
79 36
9
4 9
+
2 8
=
50 72
4
+
2
=
25 36
10
2 8
+
4 6
=
22 24
2
+
4
=
11 12
11
4 6
+
1 7
=
34 42
4
+
1
=
17 21
12
1 5
+
9 3
=
48 15
1
+
9
=
16 5
13
9 3
+
1 6
=
19 6
14
1 6
+
2 4
=
8 12
1
+
2
=
2 3
15
2 4
+
4 3
=
22 12
2
+
4
=
11 6