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분수: 분모가 다른 덧셈4분수9

1
4 9
+
8 2
=
80 18
4
+
8
=
40 9
2
8 9
+
1 2
=
25 18
3
1 2
+
4 3
=
11 6
4
4 3
+
8 7
=
52 21
5
8 7
+
3 6
=
69 42
8
+
3
=
23 14
6
3 6
+
2 3
=
7 6
7
2 3
+
3 6
=
7 6
8
6 3
+
7 2
=
33 6
6
+
7
=
11 2
9
2 7
+
1 5
=
17 35
10
5 4
+
1 2
=
7 4
11
1 2
+
9 4
=
11 4
12
9 4
+
5 7
=
83 28
13
5 7
+
2 9
=
59 63
14
2 9
+
4 2
=
40 18
2
+
4
=
20 9
15
6 2
+
8 4
=
20 4
6
+
8
=
5