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분수: 분모가 다른 덧셈1분수7

1
1 4
+
9 3
=
39 12
1
+
9
=
13 4
2
9 3
+
4 6
=
22 6
9
+
4
=
11 3
3
4 6
+
1 4
=
11 12
4
1 4
+
3 7
=
19 28
5
3 7
+
2 4
=
26 28
3
+
2
=
13 14
6
2 4
+
9 5
=
46 20
2
+
9
=
23 10
7
9 5
+
5 7
=
88 35
8
5 7
+
6 2
=
52 14
5
+
6
=
26 7
9
6 2
+
5 5
=
40 10
6
+
5
=
4
10
4 5
+
7 3
=
47 15
11
7 3
+
5 9
=
26 9
12
5 9
+
4 2
=
46 18
5
+
4
=
23 9
13
4 2
+
1 6
=
13 6
14
1 6
+
5 4
=
17 12
15
5 4
+
8 8
=
18 8
5
+
8
=
9 4