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분수: 분모가 다른 덧셈4분수9

1
4 9
+
3 4
=
43 36
2
8 4
+
5 5
=
60 20
8
+
5
=
3
3
5 5
+
7 2
=
45 10
5
+
7
=
9 2
4
1 5
+
9 2
=
47 10
5
9 2
+
2 4
=
20 4
9
+
2
=
5
6
4 5
+
1 7
=
33 35
7
1 7
+
3 3
=
24 21
1
+
3
=
8 7
8
3 3
+
4 6
=
10 6
3
+
4
=
5 3
9
6 8
+
1 6
=
22 24
6
+
1
=
11 12
10
1 6
+
6 3
=
13 6
11
6 3
+
2 2
=
18 6
6
+
2
=
3
12
2 2
+
3 4
=
7 4
13
3 4
+
8 6
=
25 12
14
8 6
+
5 2
=
23 6
15
1 8
+
4 2
=
17 8