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분수: 분모가 다른 덧셈4분수0

1
4 7
+
2 5
=
34 35
2
2 5
+
4 4
=
28 20
2
+
4
=
7 5
3
4 4
+
6 2
=
16 4
4
+
6
=
4
4
6 2
+
8 4
=
20 4
6
+
8
=
5
5
8 4
+
4 5
=
56 20
8
+
4
=
14 5
6
6 5
+
7 4
=
59 20
7
7 4
+
1 2
=
9 4
8
1 6
+
2 8
=
10 24
1
+
2
=
5 12
9
2 8
+
3 5
=
34 40
2
+
3
=
17 20
10
5 5
+
1 3
=
20 15
5
+
1
=
4 3
11
1 3
+
4 4
=
16 12
1
+
4
=
4 3
12
4 4
+
8 2
=
20 4
4
+
8
=
5
13
2 4
+
1 7
=
18 28
2
+
1
=
9 14
14
1 7
+
8 9
=
65 63
15
9 8
+
4 9
=
113 72