A) 1/5=2/10=0,2; 3/4=75/100=0,75; 2 7/8=2 875/1000=2,875 ;3 17/20=3 85/100=3,85
b)17/40=425/1000=0,425; 63/125=504/1000=0,504; 4 2/5=4 4/10=4,4 ;
2 5/16=2 3125/10000=2,3125
c)14/35=2/5=4/10=0,4; 75/75=1; 5 33/220=5 3/20=5 15/100=5,15 ;
1 6/15=1 2/5=1 4/10=1,4
d)7/5=1 2/5=1 4/10=1,4 ;32/25=1 7/25=1 28/100=1,28; 13/10=1 3/10= 1,3 ;
73/50=1 23/50=1 46/100=1,46