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분수: 분모가 다른 덧셈1분수1

1
9 4
+
3 2
=
15 4
2
3 2
+
2 8
=
14 8
3
+
2
=
7 4
3
8 4
+
1 2
=
10 4
8
+
1
=
5 2
4
1 7
+
7 3
=
52 21
5
7 3
+
5 2
=
29 6
6
5 6
+
1 4
=
13 12
7
1 8
+
3 4
=
7 8
8
3 4
+
6 2
=
15 4
9
1 2
+
5 8
=
9 8
10
8 8
+
1 3
=
32 24
8
+
1
=
4 3
11
1 2
+
5 7
=
17 14
12
7 5
+
5 9
=
88 45
13
5 9
+
3 2
=
37 18
14
3 2
+
6 7
=
33 14
15
7 2
+
1 3
=
23 6