8.1.3 Writing a Fraction as a Percentage
Using the same idea that multiplication by 100% means multiplication by 1, you can also convert fractions into percentages.
See this additional example turning a fraction into a percentage (click on “View document”).
As an alternative, you can turn the fraction into a decimal first, and then move the decimal point:
To change a decimal or fraction to a percentage, multiply by 100%, or change to a decimal and then to percent.
There are other alternative ways, such as multiplying the numerator and denominator of the fraction to be converted by , shown in this example:
For this last example, note that the fraction can be expanded by multiplication so that the denominator is turned into 100. For some fractions, this gives you another alternative for the conversion. For this last example, it looks like this:
Let’s revisit the different ways in which you can convert decimals and fractions into percents (Click on “View document”).