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분수: 분모가 다른 덧셈1분수1

1
1 5
+
5 3
=
28 15
2
5 3
+
8 4
=
44 12
5
+
8
=
11 3
3
1 4
+
6 3
=
27 12
1
+
6
=
9 4
4
6 3
+
7 2
=
33 6
6
+
7
=
11 2
5
7 2
+
4 6
=
25 6
6
6 4
+
4 9
=
70 36
6
+
4
=
35 18
7
4 9
+
2 2
=
26 18
4
+
2
=
13 9
8
2 2
+
1 5
=
12 10
2
+
1
=
6 5
9
1 5
+
9 6
=
51 30
1
+
9
=
17 10
10
9 6
+
1 8
=
39 24
9
+
1
=
13 8
11
1 8
+
2 2
=
9 8
12
2 2
+
8 3
=
22 6
2
+
8
=
11 3
13
9 3
+
7 7
=
84 21
9
+
7
=
4
14
7 7
+
4 8
=
84 56
7
+
4
=
3 2
15
4 8
+
9 6
=
48 24
4
+
9
=
2