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¿Como se operan las fracciones
Autor :
santiago altamar
1.
2/3 + 2/9
A.
8/9
B.
4/9
C.
9/20
D.
2/9
2.
4/10 + 8/15
A.
28/30
B.
1
C.
9/30
D.
29/30
3.
9/20 + 6/30
A.
39/60
B.
1/2
C.
3/4
D.
48/60
4.
8/40 + 20/60
A.
64/120
B.
60/120
C.
1/2
D.
100/120
5.
50/60 - 20/40
A.
40/120
B.
50/120
C.
2/3
D.
1/2
6.
8/10 - 6/15
A.
12/30
B.
8/32
C.
9/30
D.
13/30
7.
4/8 x 5/9
A.
20/72
B.
30/72
C.
5/81
D.
4/63
8.
20/30 x 8/20
A.
160/600
B.
180/600
C.
400/800
D.
1/4