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분수: 분모가 다른 덧셈5분수7

1
5 7
+
6 6
=
72 42
5
+
6
=
12 7
2
6 6
+
2 2
=
12 6
6
+
2
=
2
3
2 2
+
4 5
=
18 10
2
+
4
=
9 5
4
4 5
+
1 4
=
21 20
5
1 4
+
5 9
=
29 36
6
5 9
+
6 4
=
74 36
5
+
6
=
37 18
7
4 6
+
7 4
=
29 12
8
4 7
+
7 3
=
61 21
9
7 3
+
1 6
=
15 6
7
+
1
=
5 2
10
1 6
+
4 8
=
16 24
1
+
4
=
2 3
11
4 8
+
6 2
=
28 8
4
+
6
=
7 2
12
6 8
+
1 3
=
26 24
6
+
1
=
13 12
13
1 3
+
6 5
=
23 15
14
6 5
+
1 2
=
17 10
15
1 2
+
9 5
=
23 10