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분수: 분모가 다른 덧셈3분수3

1
5 3
+
4 5
=
37 15
2
4 5
+
3 7
=
43 35
3
3 7
+
8 4
=
68 28
3
+
8
=
17 7
4
8 4
+
3 3
=
36 12
8
+
3
=
3
5
3 3
+
1 8
=
27 24
3
+
1
=
9 8
6
1 6
+
2 4
=
8 12
1
+
2
=
2 3
7
2 4
+
1 9
=
22 36
2
+
1
=
11 18
8
1 9
+
2 6
=
8 18
1
+
2
=
4 9
9
6 6
+
1 8
=
27 24
6
+
1
=
9 8
10
1 8
+
2 3
=
19 24
11
2 3
+
4 4
=
20 12
2
+
4
=
5 3
12
4 4
+
6 5
=
44 20
4
+
6
=
11 5
13
6 7
+
1 8
=
55 56
14
1 8
+
4 2
=
17 8
15
2 2
+
1 5
=
12 10
2
+
1
=
6 5