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분수: 분모가 다른 덧셈2분수8

1
8 2
+
1 3
=
26 6
8
+
1
=
13 3
2
1 3
+
2 5
=
11 15
3
2 5
+
1 4
=
13 20
4
1 6
+
2 5
=
17 30
5
2 5
+
4 9
=
38 45
6
4 9
+
5 8
=
77 72
7
5 8
+
7 4
=
19 8
8
2 4
+
3 5
=
22 20
2
+
3
=
11 10
9
5 3
+
2 2
=
16 6
5
+
2
=
8 3
10
2 5
+
1 3
=
11 15
11
1 3
+
5 5
=
20 15
1
+
5
=
4 3
12
5 5
+
8 9
=
85 45
5
+
8
=
17 9
13
8 9
+
3 2
=
43 18
14
3 2
+
1 3
=
11 6
15
1 3
+
4 8
=
20 24
1
+
4
=
5 6