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분수: 분모가 다른 덧셈2분수7

1
7 6
+
1 8
=
31 24
2
1 8
+
4 4
=
9 8
3
4 5
+
1 7
=
33 35
4
1 7
+
2 5
=
19 35
5
8 5
+
6 3
=
54 15
8
+
6
=
18 5
6
6 3
+
1 9
=
19 9
7
9 2
+
1 3
=
29 6
8
3 4
+
1 8
=
7 8
9
1 8
+
8 2
=
33 8
10
9 2
+
4 7
=
71 14
11
4 7
+
2 2
=
22 14
4
+
2
=
11 7
12
2 2
+
3 4
=
7 4
13
3 4
+
7 2
=
17 4
14
7 2
+
2 6
=
23 6
15
2 3
+
7 6
=
11 6