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분수: 분모가 다른 덧셈5분수7

1
5 7
+
7 3
=
64 21
2
7 3
+
1 4
=
31 12
3
1 4
+
4 3
=
19 12
4
4 3
+
1 4
=
19 12
5
6 3
+
8 5
=
54 15
6
+
8
=
18 5
6
8 5
+
1 3
=
29 15
7
1 3
+
5 6
=
7 6
8
5 6
+
2 3
=
9 6
5
+
2
=
3 2
9
2 3
+
5 9
=
11 9
10
5 9
+
9 5
=
106 45
11
5 3
+
1 2
=
13 6
12
1 2
+
7 4
=
9 4
13
7 4
+
3 7
=
61 28
14
7 3
+
4 6
=
18 6
7
+
4
=
3
15
4 6
+
3 2
=
13 6