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분수: 분모가 다른 덧셈5분수0

1
3 7
+
7 8
=
73 56
2
3 8
+
2 9
=
43 72
3
2 9
+
8 3
=
26 9
4
8 3
+
5 6
=
21 6
8
+
5
=
7 2
5
5 6
+
4 3
=
13 6
6
4 3
+
5 6
=
13 6
7
5 6
+
2 8
=
26 24
5
+
2
=
13 12
8
2 8
+
5 2
=
22 8
2
+
5
=
11 4
9
2 2
+
5 4
=
9 4
10
5 4
+
2 5
=
33 20
11
2 5
+
4 2
=
24 10
2
+
4
=
12 5
12
4 2
+
3 3
=
18 6
4
+
3
=
3
13
3 3
+
8 5
=
39 15
3
+
8
=
13 5
14
8 5
+
7 4
=
67 20
15
7 4
+
6 2
=
19 4