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분수: 분모가 다른 덧셈1분수8

1
1 8
+
2 4
=
5 8
2
2 4
+
4 6
=
14 12
2
+
4
=
7 6
3
6 3
+
1 5
=
33 15
6
+
1
=
11 5
4
1 5
+
7 4
=
39 20
5
7 4
+
1 7
=
53 28
6
7 9
+
1 7
=
58 63
7
1 4
+
2 7
=
15 28
8
7 7
+
4 2
=
42 14
7
+
4
=
3
9
4 2
+
3 9
=
42 18
4
+
3
=
7 3
10
3 9
+
8 5
=
87 45
3
+
8
=
29 15
11
8 5
+
1 9
=
77 45
12
1 3
+
7 2
=
23 6
13
6 2
+
9 5
=
48 10
6
+
9
=
24 5
14
5 8
+
1 5
=
33 40
15
6 5
+
4 8
=
68 40
6
+
4
=
17 10