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분수: 분모가 다른 덧셈1분수6

1
1 6
+
7 5
=
47 30
2
7 5
+
5 8
=
81 40
3
5 8
+
8 5
=
89 40
4
8 5
+
1 4
=
37 20
5
2 4
+
7 2
=
16 4
2
+
7
=
4
6
2 2
+
4 4
=
8 4
2
+
4
=
2
7
4 4
+
6 2
=
16 4
4
+
6
=
4
8
6 2
+
7 4
=
19 4
9
4 5
+
1 2
=
13 10
10
1 2
+
4 4
=
6 4
1
+
4
=
3 2
11
4 4
+
9 5
=
56 20
4
+
9
=
14 5
12
9 5
+
3 4
=
51 20
13
3 4
+
1 2
=
5 4
14
7 6
+
1 8
=
31 24
15
1 8
+
4 3
=
35 24