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분수: 분모가 다른 덧셈4분수1

1
1 7
+
5 3
=
38 21
2
5 3
+
9 6
=
19 6
3
9 6
+
4 4
=
30 12
9
+
4
=
5 2
4
4 4
+
2 3
=
20 12
4
+
2
=
5 3
5
2 3
+
6 4
=
26 12
2
+
6
=
13 6
6
4 5
+
1 2
=
13 10
7
1 2
+
4 5
=
13 10
8
4 5
+
2 3
=
22 15
9
2 3
+
6 4
=
26 12
2
+
6
=
13 6
10
4 8
+
1 4
=
6 8
4
+
1
=
3 4
11
4 3
+
1 9
=
13 9
12
1 9
+
4 8
=
44 72
1
+
4
=
11 18
13
4 8
+
5 5
=
60 40
4
+
5
=
3 2
14
5 4
+
1 5
=
29 20
15
1 5
+
8 3
=
43 15