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분수: 분모가 다른 덧셈3분수1

1
7 2
+
1 9
=
65 18
2
1 9
+
3 5
=
32 45
3
5 9
+
1 5
=
34 45
4
5 9
+
1 5
=
34 45
5
4 5
+
6 2
=
38 10
4
+
6
=
19 5
6
1 9
+
2 2
=
20 18
1
+
2
=
10 9
7
2 2
+
5 3
=
16 6
2
+
5
=
8 3
8
5 3
+
6 2
=
28 6
5
+
6
=
14 3
9
2 5
+
1 9
=
23 45
10
1 9
+
6 2
=
56 18
1
+
6
=
28 9
11
6 2
+
2 5
=
34 10
6
+
2
=
17 5
12
5 2
+
3 7
=
41 14
13
7 6
+
1 2
=
10 6
7
+
1
=
5 3
14
1 2
+
7 3
=
17 6
15
7 3
+
2 5
=
41 15