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분수: 분모가 다른 덧셈1분수5

1
1 5
+
3 4
=
19 20
2
4 7
+
1 5
=
27 35
3
1 6
+
2 8
=
10 24
1
+
2
=
5 12
4
2 8
+
4 7
=
46 56
2
+
4
=
23 28
5
4 7
+
1 5
=
27 35
6
1 5
+
6 7
=
37 35
7
7 6
+
3 5
=
53 30
8
3 5
+
9 3
=
54 15
3
+
9
=
18 5
9
9 3
+
8 6
=
26 6
9
+
8
=
13 3
10
8 6
+
4 2
=
20 6
8
+
4
=
10 3
11
1 2
+
8 8
=
12 8
1
+
8
=
3 2
12
8 6
+
1 4
=
19 12
13
1 4
+
3 2
=
7 4
14
3 2
+
7 4
=
13 4
15
7 4
+
6 7
=
73 28