a)6,65=665/100(simplificam cu 5)=133/20
b)7,75=775/100(simplificam cu 5) =155/20(simplificam cu 5)=31/4
c)2,24=224/100(simplificam cu 2)=112/50(simplificam cu 2)=56/25
d)1,72=172/100(simplificam cu 2)=86/50 (simplificam cu 2)=43/25
e)4,28=428/100(simplificam cu 2)=214/50(simplificam cu 2)=107/25
f)6,45=645\100=129/20
g)7,25=725/100=145/20=29/4
h)2,56=256/100=128/50=64/25