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분수: 분모가 다른 덧셈5분수4

1
1 6
+
3 7
=
25 42
2
7 5
+
1 4
=
33 20
3
8 4
+
9 5
=
76 20
8
+
9
=
19 5
4
9 5
+
4 6
=
74 30
9
+
4
=
37 15
5
4 6
+
7 2
=
25 6
6
7 2
+
6 9
=
75 18
7
+
6
=
25 6
7
6 9
+
3 4
=
51 36
6
+
3
=
17 12
8
3 4
+
4 3
=
25 12
9
4 3
+
3 5
=
29 15
10
1 2
+
7 5
=
19 10
11
7 5
+
9 6
=
87 30
7
+
9
=
29 10
12
9 6
+
5 4
=
33 12
9
+
5
=
11 4
13
4 9
+
1 6
=
11 18
14
1 6
+
8 3
=
17 6
15
8 3
+
1 6
=
17 6