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분수: 분모가 다른 덧셈5분수7

1
5 7
+
8 5
=
81 35
2
5 5
+
1 2
=
15 10
5
+
1
=
3 2
3
1 2
+
4 4
=
6 4
1
+
4
=
3 2
4
4 4
+
3 2
=
10 4
4
+
3
=
5 2
5
3 2
+
2 5
=
19 10
6
2 5
+
5 3
=
31 15
7
5 3
+
3 9
=
18 9
5
+
3
=
2
8
3 9
+
6 2
=
60 18
3
+
6
=
10 3
9
2 7
+
1 3
=
13 21
10
1 3
+
7 2
=
23 6
11
7 2
+
3 7
=
55 14
12
3 7
+
8 6
=
74 42
3
+
8
=
37 21
13
8 6
+
1 5
=
46 30
8
+
1
=
23 15
14
1 5
+
7 4
=
39 20
15
4 7
+
3 3
=
33 21
4
+
3
=
11 7