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분수: 분모가 다른 덧셈1분수7

1
1 7
+
6 9
=
51 63
1
+
6
=
17 21
2
6 9
+
5 4
=
69 36
6
+
5
=
23 12
3
5 4
+
8 6
=
31 12
4
8 6
+
2 4
=
22 12
8
+
2
=
11 6
5
2 4
+
1 5
=
14 20
2
+
1
=
7 10
6
1 5
+
4 6
=
26 30
1
+
4
=
13 15
7
4 6
+
3 9
=
18 18
4
+
3
=
1
8
6 2
+
1 4
=
13 4
9
1 4
+
5 7
=
27 28
10
7 5
+
6 2
=
44 10
7
+
6
=
22 5
11
6 2
+
5 4
=
17 4
12
4 3
+
1 2
=
11 6
13
1 2
+
5 8
=
9 8
14
5 8
+
1 7
=
43 56
15
1 7
+
5 5
=
40 35
1
+
5
=
8 7