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분수: 분모가 다른 덧셈2분수5

1
1 8
+
6 4
=
13 8
2
6 4
+
3 5
=
42 20
6
+
3
=
21 10
3
3 5
+
5 4
=
37 20
4
5 4
+
1 2
=
7 4
5
1 2
+
6 8
=
10 8
1
+
6
=
5 4
6
6 8
+
2 6
=
26 24
6
+
2
=
13 12
7
2 6
+
3 9
=
12 18
2
+
3
=
2 3
8
3 9
+
4 4
=
48 36
3
+
4
=
4 3
9
8 4
+
2 9
=
80 36
8
+
2
=
20 9
10
9 2
+
5 6
=
32 6
9
+
5
=
16 3
11
5 6
+
2 3
=
9 6
5
+
2
=
3 2
12
2 3
+
4 4
=
20 12
2
+
4
=
5 3
13
4 4
+
6 2
=
16 4
4
+
6
=
4
14
6 2
+
9 6
=
27 6
6
+
9
=
9 2
15
9 6
+
2 3
=
13 6