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분수: 분모가 다른 덧셈4분수7

1
4 7
+
5 4
=
51 28
2
5 4
+
3 5
=
37 20
3
5 3
+
8 6
=
18 6
5
+
8
=
3
4
8 6
+
6 5
=
76 30
8
+
6
=
38 15
5
6 5
+
4 7
=
62 35
6
1 7
+
6 4
=
46 28
1
+
6
=
23 14
7
6 4
+
7 5
=
58 20
6
+
7
=
29 10
8
8 5
+
2 7
=
66 35
9
2 7
+
8 3
=
62 21
10
8 3
+
4 4
=
44 12
8
+
4
=
11 3
11
4 4
+
5 5
=
40 20
4
+
5
=
2
12
5 5
+
1 4
=
25 20
5
+
1
=
5 4
13
1 4
+
6 3
=
27 12
1
+
6
=
9 4
14
6 3
+
5 5
=
45 15
6
+
5
=
3
15
5 5
+
7 9
=
80 45
5
+
7
=
16 9