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분수: 분모가 다른 덧셈4분수2

1
4 2
+
9 4
=
17 4
2
1 4
+
2 6
=
7 12
3
2 6
+
5 5
=
40 30
2
+
5
=
4 3
4
1 6
+
4 2
=
13 6
5
4 2
+
5 3
=
22 6
4
+
5
=
11 3
6
5 3
+
4 2
=
22 6
5
+
4
=
11 3
7
4 4
+
1 6
=
14 12
4
+
1
=
7 6
8
1 6
+
7 2
=
22 6
1
+
7
=
11 3
9
7 2
+
4 8
=
32 8
7
+
4
=
4
10
8 4
+
6 5
=
64 20
8
+
6
=
16 5
11
9 5
+
8 2
=
58 10
9
+
8
=
29 5
12
3 2
+
7 4
=
13 4
13
1 4
+
2 5
=
13 20
14
4 5
+
8 4
=
56 20
4
+
8
=
14 5
15
4 6
+
1 4
=
11 12