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분수: 분모가 다른 덧셈4분수4

1
4 4
+
2 2
=
8 4
4
+
2
=
2
2
2 2
+
8 6
=
14 6
2
+
8
=
7 3
3
8 6
+
2 8
=
38 24
8
+
2
=
19 12
4
8 2
+
7 4
=
23 4
5
1 2
+
3 9
=
15 18
1
+
3
=
5 6
6
3 9
+
1 6
=
9 18
3
+
1
=
1 2
7
3 6
+
5 5
=
45 30
3
+
5
=
3 2
8
5 5
+
3 6
=
45 30
5
+
3
=
3 2
9
3 8
+
1 5
=
23 40
10
1 5
+
6 3
=
33 15
1
+
6
=
11 5
11
6 3
+
3 8
=
57 24
6
+
3
=
19 8
12
8 4
+
1 8
=
17 8
13
5 8
+
1 2
=
9 8
14
1 2
+
5 7
=
17 14
15
5 7
+
2 5
=
39 35