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분수: 분모가 다른 덧셈5분수2

1
5 2
+
7 5
=
39 10
2
7 5
+
3 9
=
78 45
7
+
3
=
26 15
3
3 9
+
4 7
=
57 63
3
+
4
=
19 21
4
4 7
+
7 4
=
65 28
5
4 7
+
6 4
=
58 28
4
+
6
=
29 14
6
6 4
+
3 2
=
12 4
6
+
3
=
3
7
3 2
+
4 5
=
23 10
8
4 5
+
1 6
=
29 30
9
6 8
+
1 2
=
10 8
6
+
1
=
5 4
10
1 2
+
5 5
=
15 10
1
+
5
=
3 2
11
4 5
+
2 6
=
34 30
4
+
2
=
17 15
12
2 6
+
1 9
=
8 18
2
+
1
=
4 9
13
1 9
+
3 3
=
10 9
14
3 3
+
9 2
=
33 6
3
+
9
=
11 2
15
9 2
+
4 8
=
40 8
9
+
4
=
5