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분수: 분모가 다른 덧셈2분수3

1
2 3
+
3 5
=
19 15
2
3 5
+
2 8
=
34 40
3
+
2
=
17 20
3
8 2
+
1 4
=
17 4
4
1 4
+
7 3
=
31 12
5
3 6
+
1 5
=
21 30
3
+
1
=
7 10
6
1 5
+
5 2
=
27 10
7
5 2
+
4 8
=
24 8
5
+
4
=
3
8
4 8
+
7 6
=
40 24
4
+
7
=
5 3
9
7 6
+
8 5
=
83 30
10
8 5
+
1 6
=
53 30
11
1 6
+
4 8
=
16 24
1
+
4
=
2 3
12
4 8
+
5 4
=
14 8
4
+
5
=
7 4
13
5 4
+
3 7
=
47 28
14
1 8
+
2 5
=
21 40
15
2 5
+
3 2
=
19 10