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분수: 분모가 다른 덧셈6분수3

1
1 9
+
8 6
=
26 18
1
+
8
=
13 9
2
8 6
+
2 7
=
68 42
8
+
2
=
34 21
3
2 7
+
1 2
=
11 14
4
1 2
+
9 6
=
12 6
1
+
9
=
2
5
8 6
+
1 3
=
10 6
8
+
1
=
5 3
6
1 3
+
4 9
=
7 9
7
4 6
+
1 4
=
11 12
8
1 4
+
3 9
=
21 36
1
+
3
=
7 12
9
3 9
+
2 2
=
24 18
3
+
2
=
4 3
10
2 2
+
4 3
=
14 6
2
+
4
=
7 3
11
3 4
+
9 5
=
51 20
12
9 5
+
7 2
=
53 10
13
7 2
+
9 5
=
53 10
14
9 5
+
6 3
=
57 15
9
+
6
=
19 5
15
6 3
+
3 7
=
51 21
6
+
3
=
17 7