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분수: 분모가 다른 덧셈1분수7

1
1 7
+
4 4
=
32 28
1
+
4
=
8 7
2
4 6
+
1 2
=
7 6
3
1 9
+
9 6
=
29 18
4
6 5
+
1 4
=
29 20
5
1 4
+
3 7
=
19 28
6
3 7
+
2 3
=
23 21
7
2 3
+
1 9
=
7 9
8
1 9
+
5 7
=
52 63
9
5 7
+
1 5
=
32 35
10
1 5
+
9 3
=
48 15
1
+
9
=
16 5
11
3 6
+
1 3
=
5 6
12
8 3
+
2 9
=
26 9
13
6 9
+
4 4
=
60 36
6
+
4
=
5 3
14
3 4
+
5 7
=
41 28
15
5 7
+
1 5
=
32 35