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분수: 분모가 다른 덧셈4분수7

1
4 7
+
5 4
=
51 28
2
5 4
+
7 5
=
53 20
3
7 5
+
4 9
=
83 45
4
4 9
+
1 3
=
7 9
5
3 3
+
1 4
=
15 12
3
+
1
=
5 4
6
4 6
+
1 4
=
11 12
7
1 4
+
5 7
=
27 28
8
5 7
+
8 5
=
81 35
9
8 5
+
7 7
=
91 35
8
+
7
=
13 5
10
7 4
+
1 9
=
67 36
11
1 9
+
6 2
=
56 18
1
+
6
=
28 9
12
6 2
+
2 5
=
34 10
6
+
2
=
17 5
13
2 5
+
9 3
=
51 15
2
+
9
=
17 5
14
9 3
+
3 4
=
45 12
9
+
3
=
15 4
15
3 4
+
1 7
=
25 28