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분수: 분모가 다른 덧셈3분수7

1
3 7
+
9 2
=
69 14
2
9 2
+
6 7
=
75 14
3
6 7
+
3 2
=
33 14
4
2 3
+
7 4
=
29 12
5
7 4
+
5 8
=
19 8
6
5 6
+
1 4
=
13 12
7
1 4
+
5 3
=
23 12
8
5 3
+
2 8
=
46 24
5
+
2
=
23 12
9
2 9
+
1 5
=
19 45
10
1 5
+
2 9
=
19 45
11
2 9
+
4 6
=
16 18
2
+
4
=
8 9
12
6 4
+
3 2
=
12 4
6
+
3
=
3
13
3 2
+
2 8
=
14 8
3
+
2
=
7 4
14
2 8
+
7 2
=
30 8
2
+
7
=
15 4
15
1 8
+
5 3
=
43 24