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분수: 분모가 다른 덧셈2분수7

1
2 7
+
1 6
=
19 42
2
1 6
+
8 5
=
53 30
3
8 5
+
4 4
=
52 20
8
+
4
=
13 5
4
4 4
+
5 2
=
14 4
4
+
5
=
7 2
5
5 2
+
4 3
=
23 6
6
4 3
+
7 5
=
41 15
7
7 5
+
6 3
=
51 15
7
+
6
=
17 5
8
6 3
+
4 4
=
36 12
6
+
4
=
3
9
4 4
+
9 6
=
30 12
4
+
9
=
5 2
10
9 6
+
1 9
=
29 18
11
1 9
+
5 4
=
49 36
12
2 4
+
4 6
=
14 12
2
+
4
=
7 6
13
6 4
+
1 2
=
8 4
6
+
1
=
2
14
2 6
+
3 9
=
12 18
2
+
3
=
2 3
15
3 9
+
5 7
=
66 63
3
+
5
=
22 21