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분수: 분모가 다른 덧셈4분수8

1
4 8
+
2 2
=
12 8
4
+
2
=
3 2
2
2 2
+
3 6
=
9 6
2
+
3
=
3 2
3
3 6
+
1 4
=
9 12
3
+
1
=
3 4
4
1 5
+
7 4
=
39 20
5
7 4
+
5 9
=
83 36
6
5 9
+
1 3
=
8 9
7
3 7
+
1 2
=
13 14
8
3 4
+
2 6
=
13 12
9
2 6
+
4 3
=
10 6
2
+
4
=
5 3
10
4 3
+
1 6
=
9 6
4
+
1
=
3 2
11
1 6
+
6 4
=
20 12
1
+
6
=
5 3
12
6 4
+
1 7
=
46 28
6
+
1
=
23 14
13
7 7
+
1 9
=
70 63
7
+
1
=
10 9
14
9 7
+
1 3
=
34 21
15
1 3
+
8 7
=
31 21