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분수: 분모가 다른 덧셈5분수4

1
2 2
+
4 5
=
18 10
2
+
4
=
9 5
2
4 5
+
3 3
=
27 15
4
+
3
=
9 5
3
3 5
+
1 2
=
11 10
4
1 2
+
3 5
=
11 10
5
5 8
+
1 3
=
23 24
6
9 3
+
6 2
=
36 6
9
+
6
=
6
7
6 2
+
1 7
=
44 14
6
+
1
=
22 7
8
1 7
+
4 5
=
33 35
9
5 4
+
1 9
=
49 36
10
1 9
+
2 2
=
20 18
1
+
2
=
10 9
11
2 2
+
1 3
=
8 6
2
+
1
=
4 3
12
1 9
+
2 5
=
23 45
13
2 5
+
1 3
=
11 15
14
1 7
+
5 4
=
39 28
15
5 4
+
4 8
=
14 8
5
+
4
=
7 4