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분수: 분모가 다른 덧셈2분수7

1
2 7
+
9 5
=
73 35
2
5 4
+
6 2
=
17 4
3
6 2
+
5 3
=
28 6
6
+
5
=
14 3
4
5 3
+
2 4
=
26 12
5
+
2
=
13 6
5
2 4
+
1 5
=
14 20
2
+
1
=
7 10
6
1 5
+
6 9
=
39 45
1
+
6
=
13 15
7
1 7
+
5 5
=
40 35
1
+
5
=
8 7
8
5 5
+
9 4
=
65 20
5
+
9
=
13 4
9
6 4
+
4 7
=
58 28
6
+
4
=
29 14
10
4 7
+
3 5
=
41 35
11
3 5
+
6 6
=
48 30
3
+
6
=
8 5
12
6 6
+
1 7
=
48 42
6
+
1
=
8 7
13
7 3
+
1 4
=
31 12
14
1 4
+
5 2
=
11 4
15
5 2
+
4 3
=
23 6