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분수: 분모가 다른 덧셈1분수4

1
1 5
+
8 4
=
44 20
1
+
8
=
11 5
2
4 8
+
9 2
=
40 8
4
+
9
=
5
3
9 2
+
5 6
=
32 6
9
+
5
=
16 3
4
5 6
+
4 4
=
22 12
5
+
4
=
11 6
5
2 9
+
5 8
=
61 72
6
5 8
+
8 3
=
79 24
7
8 3
+
6 2
=
34 6
8
+
6
=
17 3
8
2 3
+
1 9
=
7 9
9
1 9
+
4 8
=
44 72
1
+
4
=
11 18
10
4 8
+
5 2
=
24 8
4
+
5
=
3
11
5 2
+
8 3
=
31 6
12
8 3
+
4 4
=
44 12
8
+
4
=
11 3
13
4 4
+
3 6
=
18 12
4
+
3
=
3 2
14
3 6
+
1 2
=
6 6
3
+
1
=
1
15
1 2
+
4 9
=
17 18