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분수: 분모가 다른 덧셈6분수3

1
6 3
+
1 4
=
27 12
6
+
1
=
9 4
2
1 4
+
8 2
=
17 4
3
2 5
+
1 3
=
11 15
4
1 3
+
2 4
=
10 12
1
+
2
=
5 6
5
2 4
+
5 3
=
26 12
2
+
5
=
13 6
6
5 3
+
4 7
=
47 21
7
7 9
+
4 4
=
64 36
7
+
4
=
16 9
8
4 4
+
5 5
=
40 20
4
+
5
=
2
9
5 5
+
1 8
=
45 40
5
+
1
=
9 8
10
1 8
+
5 4
=
11 8
11
5 4
+
1 6
=
17 12
12
1 6
+
6 5
=
41 30
13
6 5
+
1 9
=
59 45
14
1 9
+
3 8
=
35 72
15
3 8
+
6 2
=
27 8