Decimal, Percent, Fraction, Ratio
Equivalents
\ /hen working with decimals ahd Bercents, you may need to add zeros. Remember, you
may add as many zeros as you need before and after the number.
0.00069
00000.0006900000
100.01
00100.0100000000
500
00000500.s000000
Changing Percents to Decimals
.
.
o
Drop %
Move decimal point 2 places to the left
25%o=0.25
Ghanging Decimals to Percents
.
.
c
Move decimal point 2 places to the right
Write %
0.25 =25%o
Changing Percents to Fractions
.
.
o
Reptace % with
*100
Multiply and reduce fraction to lowest terms
25
25Yo=25.
=l
=
|
100 r00
4
Changing Fractions to Percents
.
.
.
.
Change fraction to decimal
Move decimal point 2 places to the right
Write %
I
4
=0.25 =25o/o
Thank you to the Academic Learning Centers at Union County College
www,ucc.edu
Decimal, Percent, Fraction, Ratio
Equivalents
Decimal
Move the decimal 2 places
to the left from the percent
form.
Percent
Move the decimal 2 places
to the right from the
decimal form.
0.r25
t2.5%
0.25
25%
0.375
37.5%
Ratio
Fraction
Set ratio up as
Numerator : Denominator
Divide the percent by 100,
then simplifi.
12.s 125 I
100 1000 8
-=-=-
25
1:8
1
l:4
100 4
-=-
37.5 375 3
100 1000 8
3:8
-=-=0.50
50%
0.625
62.5%
50
I
100
-=-
2
I:2
625 625
5
100 1000
8
-=-=0.75
75%
0.87s
87.5%
5:8
753
100
3:4
4
87.5 875 7
100 1000 8
7:8
-=-=r00%
1.00
1.t25
112.5%
Thank you to the Academic Learning Centers at Union County College
www.ucc.edu
100
100
1:l
-t
llz.s=--_-Ilrl25
9
100 1000 8
0
9:8