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분수: 분모가 다른 덧셈1분수8

1
8 4
+
1 7
=
60 28
8
+
1
=
15 7
2
1 7
+
3 3
=
24 21
1
+
3
=
8 7
3
3 3
+
6 2
=
24 6
3
+
6
=
4
4
6 2
+
1 8
=
25 8
5
8 6
+
1 5
=
46 30
8
+
1
=
23 15
6
5 9
+
1 7
=
44 63
7
1 9
+
2 5
=
23 45
8
2 5
+
8 8
=
56 40
2
+
8
=
7 5
9
8 8
+
3 2
=
20 8
8
+
3
=
5 2
10
2 3
+
1 4
=
11 12
11
1 4
+
2 6
=
7 12
12
2 6
+
5 4
=
19 12
13
8 4
+
7 6
=
38 12
8
+
7
=
19 6
14
7 6
+
3 3
=
13 6
15
3 3
+
5 2
=
21 6
3
+
5
=
7 2