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분수: 분모가 다른 덧셈4분수2

1
3 6
+
8 2
=
27 6
3
+
8
=
9 2
2
3 3
+
1 7
=
24 21
3
+
1
=
8 7
3
1 7
+
4 2
=
30 14
1
+
4
=
15 7
4
5 6
+
1 2
=
8 6
5
+
1
=
4 3
5
2 4
+
1 9
=
22 36
2
+
1
=
11 18
6
1 2
+
5 6
=
8 6
1
+
5
=
4 3
7
5 6
+
2 4
=
16 12
5
+
2
=
4 3
8
2 4
+
5 9
=
38 36
2
+
5
=
19 18
9
5 9
+
6 2
=
64 18
5
+
6
=
32 9
10
2 6
+
1 7
=
20 42
2
+
1
=
10 21
11
1 7
+
5 5
=
40 35
1
+
5
=
8 7
12
3 5
+
4 9
=
47 45
13
4 9
+
5 6
=
23 18
14
5 6
+
7 3
=
19 6
15
7 3
+
4 5
=
47 15