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분수: 분모가 다른 덧셈4분수7

1
4 7
+
8 5
=
76 35
2
5 8
+
6 5
=
73 40
3
5 5
+
1 2
=
15 10
5
+
1
=
3 2
4
1 2
+
2 3
=
7 6
5
2 3
+
6 5
=
28 15
6
5 5
+
1 6
=
35 30
5
+
1
=
7 6
7
1 6
+
5 5
=
35 30
1
+
5
=
7 6
8
5 5
+
4 8
=
60 40
5
+
4
=
3 2
9
4 8
+
1 6
=
16 24
4
+
1
=
2 3
10
1 6
+
2 7
=
19 42
11
2 7
+
9 6
=
75 42
2
+
9
=
25 14
12
9 6
+
1 7
=
69 42
9
+
1
=
23 14
13
1 7
+
5 3
=
38 21
14
3 7
+
1 2
=
13 14
15
2 4
+
1 3
=
10 12
2
+
1
=
5 6