a) 75%= 75/100 = 3/4
b) 40%= 40/100= 2/5
c) 24% = 24/100= 6/25
d) 100%= 100/100= 1
e) 50%= 50/100= 1/2
f) 60%= 60/100= 3/5
g) 15%= 15/100= 3/20
h) 5%= 5/100= 1/20
i) 150% mulțime vidă
j) 1/2%= 0,5%= 0,5/100=5/1000= 1/200
k) 1/4%= 0,25%= 0,25/100=25/1000= 1/40
l) 3/4 %= 0,75%= 0,75/100=75/1000=3/40
m) 220% mulțime vidă