1$=100 cents
So,
30/100
The simplest form of 30/100 is 3/10
convert $1 into 100 cents
30:100=30/100=3/10
30 cents is 1/(1/15) or one over one fifteenths of 2 cents.
3 is 1/30 of 90
3/10 30/100 (30 cents over 100 cents) = 3/10 (divide both the numerator and denominator by 10)
30/200
3/10
3/10
3/20
$1 = 100 cents → 45 cents/$1 = 45 cents/100 cents = 45/100 = 9/20
20 cents is equivalent to 1/5 of $1.
50 cents of 100 cents is 50% or 1/2.
25 cents/1 dollar = 25 cents/100 cents # 25/100 = 1/4
90%