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분수: 분모가 다른 덧셈1분수4

1
4 8
+
1 7
=
36 56
4
+
1
=
9 14
2
1 7
+
6 5
=
47 35
3
6 5
+
9 2
=
57 10
4
9 2
+
3 4
=
21 4
5
3 4
+
5 6
=
19 12
6
6 5
+
2 9
=
64 45
7
2 9
+
1 3
=
5 9
8
1 3
+
5 5
=
20 15
1
+
5
=
4 3
9
5 5
+
7 3
=
50 15
5
+
7
=
10 3
10
7 3
+
9 4
=
55 12
11
9 4
+
1 2
=
11 4
12
1 2
+
4 5
=
13 10
13
5 7
+
1 3
=
22 21
14
1 3
+
4 2
=
14 6
1
+
4
=
7 3
15
4 2
+
2 4
=
10 4
4
+
2
=
5 2