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분수: 분모가 다른 덧셈7분수5

1
7 5
+
2 2
=
24 10
7
+
2
=
12 5
2
2 2
+
4 6
=
10 6
2
+
4
=
5 3
3
4 6
+
6 3
=
16 6
4
+
6
=
8 3
4
3 3
+
2 7
=
27 21
3
+
2
=
9 7
5
2 7
+
9 2
=
67 14
6
9 2
+
7 8
=
43 8
7
7 8
+
6 2
=
31 8
8
5 2
+
1 9
=
47 18
9
1 9
+
8 4
=
76 36
1
+
8
=
19 9
10
8 4
+
9 6
=
42 12
8
+
9
=
7 2
11
9 6
+
5 9
=
37 18
12
9 5
+
4 6
=
74 30
9
+
4
=
37 15
13
6 6
+
1 4
=
15 12
6
+
1
=
5 4
14
1 4
+
5 2
=
11 4
15
1 2
+
2 8
=
6 8
1
+
2
=
3 4