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분수: 분모가 다른 덧셈5분수4

1
5 4
+
3 3
=
27 12
5
+
3
=
9 4
2
3 3
+
7 7
=
42 21
3
+
7
=
2
3
7 7
+
1 9
=
70 63
7
+
1
=
10 9
4
1 9
+
3 7
=
34 63
5
7 6
+
1 7
=
55 42
6
1 7
+
2 6
=
20 42
1
+
2
=
10 21
7
2 6
+
6 5
=
46 30
2
+
6
=
23 15
8
6 5
+
7 6
=
71 30
9
6 4
+
1 6
=
20 12
6
+
1
=
5 3
10
6 6
+
3 2
=
15 6
6
+
3
=
5 2
11
3 2
+
1 6
=
10 6
3
+
1
=
5 3
12
1 6
+
2 4
=
8 12
1
+
2
=
2 3
13
1 5
+
9 3
=
48 15
1
+
9
=
16 5
14
9 3
+
8 5
=
69 15
9
+
8
=
23 5
15
8 5
+
9 6
=
93 30
8
+
9
=
31 10