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분수: 분모가 다른 덧셈4분수0

1
4 8
+
7 5
=
76 40
4
+
7
=
19 10
2
7 5
+
3 3
=
36 15
7
+
3
=
12 5
3
3 3
+
5 7
=
36 21
3
+
5
=
12 7
4
5 7
+
6 6
=
72 42
5
+
6
=
12 7
5
1 2
+
5 7
=
17 14
6
5 7
+
1 3
=
22 21
7
1 5
+
5 9
=
34 45
8
5 9
+
4 8
=
76 72
5
+
4
=
19 18
9
4 8
+
6 3
=
60 24
4
+
6
=
5 2
10
6 3
+
3 5
=
39 15
6
+
3
=
13 5
11
3 5
+
1 9
=
32 45
12
1 9
+
8 4
=
76 36
1
+
8
=
19 9
13
8 4
+
7 3
=
52 12
8
+
7
=
13 3
14
7 3
+
8 4
=
52 12
7
+
8
=
13 3
15
8 4
+
9 9
=
108 36
8
+
9
=
3