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분수: 분모가 다른 덧셈4분수3

1
4 3
+
8 4
=
40 12
4
+
8
=
10 3
2
1 2
+
4 4
=
6 4
1
+
4
=
3 2
3
4 4
+
1 7
=
32 28
4
+
1
=
8 7
4
1 3
+
2 5
=
11 15
5
9 8
+
1 3
=
35 24
6
1 3
+
4 6
=
6 6
1
+
4
=
1
7
4 6
+
1 5
=
26 30
4
+
1
=
13 15
8
1 3
+
8 8
=
32 24
1
+
8
=
4 3
9
8 8
+
4 9
=
104 72
8
+
4
=
13 9
10
4 9
+
2 3
=
10 9
11
3 7
+
1 5
=
22 35
12
5 9
+
1 2
=
19 18
13
1 2
+
4 3
=
11 6
14
4 3
+
1 4
=
19 12
15
5 4
+
4 7
=
51 28