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분수: 분모가 다른 덧셈3분수6

1
6 4
+
1 8
=
13 8
2
1 8
+
3 4
=
7 8
3
3 4
+
2 9
=
35 36
4
5 9
+
9 5
=
106 45
5
9 5
+
5 3
=
52 15
6
5 3
+
7 9
=
22 9
7
9 4
+
1 9
=
85 36
8
1 2
+
7 5
=
19 10
9
3 5
+
8 3
=
49 15
10
7 3
+
6 2
=
32 6
7
+
6
=
16 3
11
6 2
+
2 5
=
34 10
6
+
2
=
17 5
12
7 5
+
2 8
=
66 40
7
+
2
=
33 20
13
2 8
+
4 6
=
22 24
2
+
4
=
11 12
14
4 6
+
1 7
=
34 42
4
+
1
=
17 21
15
1 7
+
5 8
=
43 56