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분수: 분모가 다른 덧셈5분수7

1
5 7
+
8 2
=
66 14
5
+
8
=
33 7
2
8 2
+
7 7
=
70 14
8
+
7
=
5
3
7 7
+
2 6
=
56 42
7
+
2
=
4 3
4
5 6
+
1 4
=
13 12
5
1 4
+
4 8
=
6 8
1
+
4
=
3 4
6
4 8
+
2 3
=
28 24
4
+
2
=
7 6
7
2 3
+
6 8
=
34 24
2
+
6
=
17 12
8
6 8
+
7 2
=
34 8
6
+
7
=
17 4
9
7 2
+
2 7
=
53 14
10
2 7
+
3 8
=
37 56
11
3 8
+
8 6
=
41 24
12
1 5
+
3 4
=
19 20
13
3 4
+
9 6
=
27 12
3
+
9
=
9 4
14
1 6
+
4 2
=
13 6
15
4 2
+
9 4
=
17 4