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분수: 분모가 다른 덧셈1분수3

1
1 3
+
4 4
=
16 12
1
+
4
=
4 3
2
4 4
+
2 8
=
10 8
4
+
2
=
5 4
3
2 8
+
3 7
=
38 56
2
+
3
=
19 28
4
2 6
+
1 5
=
16 30
2
+
1
=
8 15
5
1 5
+
4 3
=
23 15
6
4 3
+
2 4
=
22 12
4
+
2
=
11 6
7
2 3
+
4 5
=
22 15
8
7 5
+
1 2
=
19 10
9
6 2
+
2 4
=
14 4
6
+
2
=
7 2
10
2 4
+
1 5
=
14 20
2
+
1
=
7 10
11
1 5
+
2 4
=
14 20
1
+
2
=
7 10
12
2 4
+
4 6
=
14 12
2
+
4
=
7 6
13
4 6
+
1 8
=
19 24
14
1 8
+
7 3
=
59 24
15
6 3
+
8 5
=
54 15
6
+
8
=
18 5