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분수: 분모가 다른 덧셈1분수7

1
1 7
+
6 3
=
45 21
1
+
6
=
15 7
2
6 3
+
9 8
=
75 24
6
+
9
=
25 8
3
9 8
+
5 7
=
103 56
4
5 7
+
1 3
=
22 21
5
1 5
+
7 4
=
39 20
6
7 4
+
1 5
=
39 20
7
1 5
+
2 4
=
14 20
1
+
2
=
7 10
8
2 4
+
4 7
=
30 28
2
+
4
=
15 14
9
4 7
+
6 4
=
58 28
4
+
6
=
29 14
10
6 4
+
3 9
=
66 36
6
+
3
=
11 6
11
3 9
+
9 4
=
93 36
3
+
9
=
31 12
12
9 4
+
3 5
=
57 20
13
3 5
+
2 3
=
19 15
14
2 3
+
4 2
=
16 6
2
+
4
=
8 3
15
4 2
+
2 3
=
16 6
4
+
2
=
8 3