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분수: 분모가 다른 덧셈1분수7

1
1 7
+
2 4
=
18 28
1
+
2
=
9 14
2
7 4
+
6 5
=
59 20
3
6 5
+
7 2
=
47 10
4
7 2
+
2 9
=
67 18
5
2 9
+
3 5
=
37 45
6
3 5
+
7 7
=
56 35
3
+
7
=
8 5
7
7 4
+
1 6
=
23 12
8
1 6
+
3 2
=
10 6
1
+
3
=
5 3
9
3 2
+
2 4
=
8 4
3
+
2
=
2
10
2 4
+
8 2
=
18 4
2
+
8
=
9 2
11
8 2
+
4 6
=
28 6
8
+
4
=
14 3
12
6 5
+
1 9
=
59 45
13
1 9
+
5 8
=
53 72
14
5 9
+
1 4
=
29 36
15
1 4
+
4 3
=
19 12