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분수: 분모가 다른 덧셈1분수1

1
1 9
+
2 8
=
26 72
1
+
2
=
13 36
2
2 8
+
7 4
=
16 8
2
+
7
=
2
3
7 4
+
2 5
=
43 20
4
2 5
+
7 6
=
47 30
5
7 6
+
3 7
=
67 42
6
1 5
+
2 9
=
19 45
7
2 9
+
7 5
=
73 45
8
7 5
+
9 6
=
87 30
7
+
9
=
29 10
9
9 6
+
1 9
=
29 18
10
1 5
+
4 4
=
24 20
1
+
4
=
6 5
11
2 4
+
4 8
=
8 8
2
+
4
=
1
12
8 4
+
4 8
=
20 8
8
+
4
=
5 2
13
4 8
+
5 9
=
76 72
4
+
5
=
19 18
14
9 5
+
3 3
=
42 15
9
+
3
=
14 5
15
3 3
+
1 2
=
9 6
3
+
1
=
3 2