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분수: 분모가 다른 덧셈3분수0

1
1 5
+
5 7
=
32 35
2
1 2
+
3 7
=
13 14
3
3 7
+
4 2
=
34 14
3
+
4
=
17 7
4
4 2
+
1 3
=
14 6
4
+
1
=
7 3
5
1 3
+
2 5
=
11 15
6
5 8
+
1 3
=
23 24
7
1 3
+
5 4
=
19 12
8
5 4
+
7 9
=
73 36
9
7 9
+
4 3
=
19 9
10
4 3
+
8 9
=
20 9
11
8 9
+
7 2
=
79 18
12
7 2
+
2 4
=
16 4
7
+
2
=
4
13
1 4
+
7 5
=
33 20
14
7 5
+
4 9
=
83 45
15
4 9
+
7 4
=
79 36