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분수: 분모가 다른 덧셈5분수7

1
5 7
+
4 4
=
48 28
5
+
4
=
12 7
2
4 4
+
5 3
=
32 12
4
+
5
=
8 3
3
3 5
+
1 3
=
14 15
4
1 3
+
4 7
=
19 21
5
4 7
+
1 8
=
39 56
6
1 8
+
4 5
=
37 40
7
4 5
+
1 7
=
33 35
8
1 7
+
2 2
=
16 14
1
+
2
=
8 7
9
2 2
+
8 5
=
26 10
2
+
8
=
13 5
10
9 5
+
4 4
=
56 20
9
+
4
=
14 5
11
4 4
+
6 6
=
24 12
4
+
6
=
2
12
6 6
+
5 4
=
27 12
6
+
5
=
9 4
13
5 4
+
8 6
=
31 12
14
8 6
+
1 2
=
11 6
15
1 2
+
5 8
=
9 8