Please Note: In the video the answer to 5/8 as a percent is 67.5%. This is incorrect.
The correct answer is 62.5%.
A percent is a ratio (fraction) whose denominator is 100.
To convert a fraction to percent form, form a proportion by setting the fraction equal to and solve for P.
Example:
Write 5/8 in percent form.
Solution: Set the fraction equal to P/100 and solve for P:
Solve by setting cross products equal to each other.
500 = 8P
Divide by 8:
P = = 62.5
5/8 = 62.5%
To convert from percent form to fraction form:
Drop the percent sign and place the value over 100. Then simplify the fraction.
Example:
Write 55% in fraction form.
Solution:
55% =
Reduce the fraction:
Rewrite
in percent form.

Write 18% in reduced fraction form.
0 out of 0 correct.