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분수: 분모가 다른 덧셈4분수2

1
4 4
+
8 6
=
28 12
4
+
8
=
7 3
2
6 5
+
1 3
=
23 15
3
1 9
+
5 6
=
17 18
4
6 6
+
1 2
=
9 6
6
+
1
=
3 2
5
9 6
+
1 7
=
69 42
9
+
1
=
23 14
6
1 7
+
2 6
=
20 42
1
+
2
=
10 21
7
2 6
+
7 5
=
52 30
2
+
7
=
26 15
8
5 6
+
1 4
=
13 12
9
1 4
+
5 5
=
25 20
1
+
5
=
5 4
10
5 5
+
4 2
=
30 10
5
+
4
=
3
11
4 2
+
5 7
=
38 14
4
+
5
=
19 7
12
5 7
+
9 3
=
78 21
5
+
9
=
26 7
13
7 3
+
3 6
=
17 6
14
3 6
+
8 4
=
30 12
3
+
8
=
5 2
15
1 5
+
2 4
=
14 20
1
+
2
=
7 10