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분수: 분모가 다른 덧셈5분수5

1
5 5
+
4 3
=
35 15
5
+
4
=
7 3
2
7 3
+
5 4
=
43 12
3
5 4
+
1 2
=
7 4
4
1 2
+
5 9
=
19 18
5
5 9
+
7 4
=
83 36
6
7 4
+
2 7
=
57 28
7
2 7
+
4 6
=
40 42
2
+
4
=
20 21
8
6 4
+
3 6
=
24 12
6
+
3
=
2
9
6 2
+
3 4
=
15 4
10
5 4
+
1 3
=
19 12
11
3 6
+
1 3
=
5 6
12
1 3
+
3 6
=
5 6
13
3 6
+
2 7
=
33 42
3
+
2
=
11 14
14
2 7
+
3 8
=
37 56
15
3 8
+
5 9
=
67 72