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분수: 분모가 다른 덧셈1분수4

1
5 4
+
3 5
=
37 20
2
1 6
+
3 5
=
23 30
3
3 5
+
1 2
=
11 10
4
3 3
+
1 5
=
18 15
3
+
1
=
6 5
5
1 5
+
3 6
=
21 30
1
+
3
=
7 10
6
3 6
+
1 8
=
15 24
3
+
1
=
5 8
7
1 8
+
2 3
=
19 24
8
2 3
+
1 9
=
7 9
9
1 9
+
5 3
=
16 9
10
5 3
+
3 7
=
44 21
11
6 3
+
4 2
=
24 6
6
+
4
=
4
12
4 2
+
7 3
=
26 6
4
+
7
=
13 3
13
7 3
+
5 6
=
19 6
14
5 6
+
2 7
=
47 42
15
2 7
+
3 3
=
27 21
2
+
3
=
9 7