| Convert: | . . . to a fraction | . . . to a decimal |
. . . to a percent |
| From a fraction: | | Divide the numerator of the fraction by
the denominator
Example 3/4: divide 3 by 4 to get .75 |
Convert to a decimal, then multiply by 100
Example: 3/4 is the decimal .75
.75 X 100 = 75% |
| From a decimal: |
Decimal has 1 number past the decimal: Multiply by 10 to get the numerator and make the denominator 10
Example: .7 X 10 = 7
Fraction is 7/10 |
Decimal has 2 numbers past the decimal: Multiply by 100 to get the numerator and make the denominator 100
Example: .72 X 100
Fraction is 72/100 |
Decimal has 3 numbers past the decimal: Multiply by 1000 to get the numerator and make the
denominator 1000
Example: .725 X 1000 = 725
Fraction is 725/1000 |
| | Multiply the decimal by 100
Example:
.38 X 100 = 38% |
| From a percent: | Make a fraction by making the percent the numerator
with a denominator of 100
Example: 38% = 38/100 | Divide the percent by 100
Example: 38%:
divide 38 by 100 to get .38 | |
