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분수: 분모가 다른 덧셈2분수4

1
2 4
+
4 6
=
14 12
2
+
4
=
7 6
2
4 6
+
6 2
=
22 6
4
+
6
=
11 3
3
6 2
+
4 6
=
22 6
6
+
4
=
11 3
4
4 6
+
2 7
=
40 42
4
+
2
=
20 21
5
7 2
+
5 8
=
33 8
6
8 9
+
1 5
=
49 45
7
1 3
+
3 4
=
13 12
8
3 4
+
7 3
=
37 12
9
3 7
+
4 6
=
46 42
3
+
4
=
23 21
10
4 6
+
1 8
=
19 24
11
8 6
+
1 2
=
11 6
12
1 2
+
4 7
=
15 14
13
7 4
+
1 7
=
53 28
14
1 7
+
5 9
=
44 63
15
5 9
+
6 3
=
23 9