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분수: 분모가 다른 덧셈1분수2

1
4 2
+
9 3
=
30 6
4
+
9
=
5
2
9 3
+
6 2
=
36 6
9
+
6
=
6
3
6 2
+
5 5
=
40 10
6
+
5
=
4
4
5 5
+
3 2
=
25 10
5
+
3
=
5 2
5
3 2
+
6 6
=
15 6
3
+
6
=
5 2
6
1 4
+
9 5
=
41 20
7
9 5
+
7 7
=
98 35
9
+
7
=
14 5
8
7 7
+
8 6
=
98 42
7
+
8
=
7 3
9
8 6
+
1 8
=
35 24
10
2 9
+
1 3
=
5 9
11
1 3
+
5 4
=
19 12
12
5 4
+
7 7
=
63 28
5
+
7
=
9 4
13
7 7
+
6 9
=
105 63
7
+
6
=
5 3
14
6 3
+
1 4
=
27 12
6
+
1
=
9 4
15
6 4
+
1 6
=
20 12
6
+
1
=
5 3