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분수: 분모가 다른 덧셈4분수1

1
1 9
+
7 8
=
71 72
2
7 8
+
2 5
=
51 40
3
2 5
+
4 6
=
32 30
2
+
4
=
16 15
4
4 6
+
9 2
=
31 6
5
9 2
+
8 6
=
35 6
6
8 6
+
6 9
=
36 18
8
+
6
=
2
7
6 9
+
4 2
=
48 18
6
+
4
=
8 3
8
1 3
+
6 8
=
26 24
1
+
6
=
13 12
9
6 8
+
5 9
=
94 72
6
+
5
=
47 36
10
9 5
+
3 4
=
51 20
11
4 6
+
1 4
=
11 12
12
1 4
+
2 3
=
11 12
13
2 3
+
6 2
=
22 6
2
+
6
=
11 3
14
6 2
+
3 3
=
24 6
6
+
3
=
4
15
3 3
+
5 6
=
11 6