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분수: 분모가 다른 덧셈2분수9

1
9 2
+
4 5
=
53 10
2
4 5
+
8 8
=
72 40
4
+
8
=
9 5
3
8 8
+
4 6
=
40 24
8
+
4
=
5 3
4
4 6
+
3 2
=
13 6
5
1 3
+
3 2
=
11 6
6
3 2
+
2 6
=
11 6
7
2 6
+
4 4
=
16 12
2
+
4
=
4 3
8
4 4
+
3 7
=
40 28
4
+
3
=
10 7
9
3 3
+
1 7
=
24 21
3
+
1
=
8 7
10
4 9
+
1 4
=
25 36
11
1 4
+
2 6
=
7 12
12
9 6
+
1 5
=
51 30
9
+
1
=
17 10
13
1 5
+
3 3
=
18 15
1
+
3
=
6 5
14
3 3
+
5 5
=
30 15
3
+
5
=
2
15
5 5
+
1 3
=
20 15
5
+
1
=
4 3