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분수: 분모가 다른 덧셈4분수7

1
4 7
+
1 9
=
43 63
2
1 9
+
3 5
=
32 45
3
5 5
+
8 8
=
80 40
5
+
8
=
2
4
8 8
+
4 7
=
88 56
8
+
4
=
11 7
5
4 7
+
2 6
=
38 42
4
+
2
=
19 21
6
6 8
+
1 5
=
38 40
6
+
1
=
19 20
7
1 5
+
6 6
=
36 30
1
+
6
=
6 5
8
6 6
+
1 7
=
48 42
6
+
1
=
8 7
9
1 7
+
4 8
=
36 56
1
+
4
=
9 14
10
4 8
+
7 2
=
32 8
4
+
7
=
4
11
7 2
+
2 5
=
39 10
12
2 5
+
1 3
=
11 15
13
3 3
+
1 6
=
7 6
14
1 6
+
5 4
=
17 12
15
9 2
+
8 6
=
35 6