a. Omitting the percent sign.
b. Writing the whole number, mixed number, or fraction as the numerator.
c.
Writing 100 as the denominator.
d. Reducing the resulting fraction to lowest terms.
EXAMPLES: Change 5% to a fraction.
5% = 5 = 1
100 20
Change 1% to a fraction.
2
1
100
1
=1x 1 =
1
2 =1
%=
2
1
2 100 200
100
2
Change 5 1% to a fraction.
2
5 1% = 5 1 = 11 100 = 11 x 1 = 11
2
2
2 1
2 100 200
100
1-41. CHANGING FRACTIONS TO PERCENTAGES
Fractions can be changed to percentages by:
a. Multiplying by 100.
b. Adding the percent symbol.
EXAMPLE: Change 1 to a percent.
2
1 x 100 = 100 x 50%
2
1
2
Percentages can also be changed to decimals by removing the percent sign;
then:
a. If the percentage is a whole number, divide by 100 (this can be done quickly
by moving the decimal point two places to the left).
MD0904
1-35