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분수: 분모가 다른 덧셈4분수4

1
4 4
+
7 5
=
48 20
4
+
7
=
12 5
2
7 5
+
9 6
=
87 30
7
+
9
=
29 10
3
6 5
+
1 9
=
59 45
4
1 3
+
8 5
=
29 15
5
8 5
+
6 6
=
78 30
8
+
6
=
13 5
6
6 6
+
2 3
=
10 6
6
+
2
=
5 3
7
2 3
+
8 5
=
34 15
8
8 5
+
9 6
=
93 30
8
+
9
=
31 10
9
9 6
+
5 2
=
24 6
9
+
5
=
4
10
2 9
+
5 7
=
59 63
11
5 7
+
8 2
=
66 14
5
+
8
=
33 7
12
8 2
+
9 3
=
42 6
8
+
9
=
7
13
7 5
+
1 2
=
19 10
14
2 2
+
1 5
=
12 10
2
+
1
=
6 5
15
1 5
+
8 9
=
49 45